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Finding the Fourth Proportional to 144,089.70, 216,134.54 and 73,924.26

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Solution

The fourth proportional to 144,089.70, 216,134.54 and 73,924.26 is: 110,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,089.70 : 216,134.54 = 73,924.26 : x
  2. Step 2: Convert to fraction form
    144,089.70/216,134.54 = 73,924.26/x
  3. Step 3: Cross multiply
    144,089.70x = 216,134.54 × 73,924.26
  4. Step 4: Simplify right side
    144,089.70x = 15,977,584,849.27
  5. Step 5: Solve for x
    x = 15,977,584,849.27/144,089.70
  6. Step 6: Final answer
    x = 110,886.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.