Home / 157,677.20-217,594.92-101,088.72

Finding the Fourth Proportional to 157,677.20, 217,594.92 and 101,088.72

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Solution

The fourth proportional to 157,677.20, 217,594.92 and 101,088.72 is: 139,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,677.20 : 217,594.92 = 101,088.72 : x
  2. Step 2: Convert to fraction form
    157,677.20/217,594.92 = 101,088.72/x
  3. Step 3: Cross multiply
    157,677.20x = 217,594.92 × 101,088.72
  4. Step 4: Simplify right side
    157,677.20x = 21,996,391,941.30
  5. Step 5: Solve for x
    x = 21,996,391,941.30/157,677.20
  6. Step 6: Final answer
    x = 139,502.68

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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.