Home / 82,314.04-123,470.50-23,149.32

Finding the Fourth Proportional to 82,314.04, 123,470.50 and 23,149.32

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Solution

The fourth proportional to 82,314.04, 123,470.50 and 23,149.32 is: 34,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,314.04 : 123,470.50 = 23,149.32 : x
  2. Step 2: Convert to fraction form
    82,314.04/123,470.50 = 23,149.32/x
  3. Step 3: Cross multiply
    82,314.04x = 123,470.50 × 23,149.32
  4. Step 4: Simplify right side
    82,314.04x = 2,858,258,115.06
  5. Step 5: Solve for x
    x = 2,858,258,115.06/82,314.04
  6. Step 6: Final answer
    x = 34,723.82

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1.5x scale

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.