Home / 94,442.80-141,336.15-86,569.60

Finding the Fourth Proportional to 94,442.80, 141,336.15 and 86,569.60

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Solution

The fourth proportional to 94,442.80, 141,336.15 and 86,569.60 is: 129,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,442.80 : 141,336.15 = 86,569.60 : x
  2. Step 2: Convert to fraction form
    94,442.80/141,336.15 = 86,569.60/x
  3. Step 3: Cross multiply
    94,442.80x = 141,336.15 × 86,569.60
  4. Step 4: Simplify right side
    94,442.80x = 12,235,413,971.04
  5. Step 5: Solve for x
    x = 12,235,413,971.04/94,442.80
  6. Step 6: Final answer
    x = 129,553.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.