Home / 157,251.35-217,004.72-89,267.73

Finding the Fourth Proportional to 157,251.35, 217,004.72 and 89,267.73

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Solution

The fourth proportional to 157,251.35, 217,004.72 and 89,267.73 is: 123,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,251.35 : 217,004.72 = 89,267.73 : x
  2. Step 2: Convert to fraction form
    157,251.35/217,004.72 = 89,267.73/x
  3. Step 3: Cross multiply
    157,251.35x = 217,004.72 × 89,267.73
  4. Step 4: Simplify right side
    157,251.35x = 19,371,518,642.10
  5. Step 5: Solve for x
    x = 19,371,518,642.10/157,251.35
  6. Step 6: Final answer
    x = 123,188.25

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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.