Home / 157,089.20-216,766.68-89,084.43

Finding the Fourth Proportional to 157,089.20, 216,766.68 and 89,084.43

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Solution

The fourth proportional to 157,089.20, 216,766.68 and 89,084.43 is: 122,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,089.20 : 216,766.68 = 89,084.43 : x
  2. Step 2: Convert to fraction form
    157,089.20/216,766.68 = 89,084.43/x
  3. Step 3: Cross multiply
    157,089.20x = 216,766.68 × 89,084.43
  4. Step 4: Simplify right side
    157,089.20x = 19,310,536,130.79
  5. Step 5: Solve for x
    x = 19,310,536,130.79/157,089.20
  6. Step 6: Final answer
    x = 122,927.21

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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.