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Finding the Fourth Proportional to 144,089.13, 216,133.70 and 73,923.69

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Solution

The fourth proportional to 144,089.13, 216,133.70 and 73,923.69 is: 110,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,089.13 : 216,133.70 = 73,923.69 : x
  2. Step 2: Convert to fraction form
    144,089.13/216,133.70 = 73,923.69/x
  3. Step 3: Cross multiply
    144,089.13x = 216,133.70 × 73,923.69
  4. Step 4: Simplify right side
    144,089.13x = 15,977,400,267.73
  5. Step 5: Solve for x
    x = 15,977,400,267.73/144,089.13
  6. Step 6: Final answer
    x = 110,885.54

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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.