Home / 157,380.76-217,178.62-89,397.52

Finding the Fourth Proportional to 157,380.76, 217,178.62 and 89,397.52

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Solution

The fourth proportional to 157,380.76, 217,178.62 and 89,397.52 is: 123,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,380.76 : 217,178.62 = 89,397.52 : x
  2. Step 2: Convert to fraction form
    157,380.76/217,178.62 = 89,397.52/x
  3. Step 3: Cross multiply
    157,380.76x = 217,178.62 × 89,397.52
  4. Step 4: Simplify right side
    157,380.76x = 19,415,230,025.02
  5. Step 5: Solve for x
    x = 19,415,230,025.02/157,380.76
  6. Step 6: Final answer
    x = 123,364.70

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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.