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Finding the Fourth Proportional to 96,139.68, 144,209.86 and 29,579.34

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Solution

The fourth proportional to 96,139.68, 144,209.86 and 29,579.34 is: 44,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,139.68 : 144,209.86 = 29,579.34 : x
  2. Step 2: Convert to fraction form
    96,139.68/144,209.86 = 29,579.34/x
  3. Step 3: Cross multiply
    96,139.68x = 144,209.86 × 29,579.34
  4. Step 4: Simplify right side
    96,139.68x = 4,265,632,480.29
  5. Step 5: Solve for x
    x = 4,265,632,480.29/96,139.68
  6. Step 6: Final answer
    x = 44,369.11

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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.