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Finding the Fourth Proportional to 157,527.66, 217,265.31 and 100,944.30

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Solution

The fourth proportional to 157,527.66, 217,265.31 and 100,944.30 is: 139,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527.66 : 217,265.31 = 100,944.30 : x
  2. Step 2: Convert to fraction form
    157,527.66/217,265.31 = 100,944.30/x
  3. Step 3: Cross multiply
    157,527.66x = 217,265.31 × 100,944.30
  4. Step 4: Simplify right side
    157,527.66x = 21,931,694,632.23
  5. Step 5: Solve for x
    x = 21,931,694,632.23/157,527.66
  6. Step 6: Final answer
    x = 139,224.40

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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.