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Finding the Fourth Proportional to 144,301.96, 216,451.50 and 80,301.16

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Solution

The fourth proportional to 144,301.96, 216,451.50 and 80,301.16 is: 120,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,301.96 : 216,451.50 = 80,301.16 : x
  2. Step 2: Convert to fraction form
    144,301.96/216,451.50 = 80,301.16/x
  3. Step 3: Cross multiply
    144,301.96x = 216,451.50 × 80,301.16
  4. Step 4: Simplify right side
    144,301.96x = 17,381,306,533.74
  5. Step 5: Solve for x
    x = 17,381,306,533.74/144,301.96
  6. Step 6: Final answer
    x = 120,450.94

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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.