Home / 157,522.32-217,384.16-88,609.95

Finding the Fourth Proportional to 157,522.32, 217,384.16 and 88,609.95

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Solution

The fourth proportional to 157,522.32, 217,384.16 and 88,609.95 is: 122,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522.32 : 217,384.16 = 88,609.95 : x
  2. Step 2: Convert to fraction form
    157,522.32/217,384.16 = 88,609.95/x
  3. Step 3: Cross multiply
    157,522.32x = 217,384.16 × 88,609.95
  4. Step 4: Simplify right side
    157,522.32x = 19,262,399,105.34
  5. Step 5: Solve for x
    x = 19,262,399,105.34/157,522.32
  6. Step 6: Final answer
    x = 122,283.62

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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.