Home / 89,372.16-123,482.88-74,442.24

Finding the Fourth Proportional to 89,372.16, 123,482.88 and 74,442.24

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Solution

The fourth proportional to 89,372.16, 123,482.88 and 74,442.24 is: 102,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372.16 : 123,482.88 = 74,442.24 : x
  2. Step 2: Convert to fraction form
    89,372.16/123,482.88 = 74,442.24/x
  3. Step 3: Cross multiply
    89,372.16x = 123,482.88 × 74,442.24
  4. Step 4: Simplify right side
    89,372.16x = 9,192,342,188.85
  5. Step 5: Solve for x
    x = 9,192,342,188.85/89,372.16
  6. Step 6: Final answer
    x = 102,854.65

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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.