Home / 157,411.44-217,228.49-89,432.12

Finding the Fourth Proportional to 157,411.44, 217,228.49 and 89,432.12

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Solution

The fourth proportional to 157,411.44, 217,228.49 and 89,432.12 is: 123,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,411.44 : 217,228.49 = 89,432.12 : x
  2. Step 2: Convert to fraction form
    157,411.44/217,228.49 = 89,432.12/x
  3. Step 3: Cross multiply
    157,411.44x = 217,228.49 × 89,432.12
  4. Step 4: Simplify right side
    157,411.44x = 19,427,202,851.80
  5. Step 5: Solve for x
    x = 19,427,202,851.80/157,411.44
  6. Step 6: Final answer
    x = 123,416.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.