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Finding the Fourth Proportional to 157,083.68, 216,476.88 and 112,293.92

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Solution

The fourth proportional to 157,083.68, 216,476.88 and 112,293.92 is: 154,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,083.68 : 216,476.88 = 112,293.92 : x
  2. Step 2: Convert to fraction form
    157,083.68/216,476.88 = 112,293.92/x
  3. Step 3: Cross multiply
    157,083.68x = 216,476.88 × 112,293.92
  4. Step 4: Simplify right side
    157,083.68x = 24,309,037,444.57
  5. Step 5: Solve for x
    x = 24,309,037,444.57/157,083.68
  6. Step 6: Final answer
    x = 154,752.15

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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.