Home / 82,247.13-123,376.77-72,454.23

Finding the Fourth Proportional to 82,247.13, 123,376.77 and 72,454.23

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Solution

The fourth proportional to 82,247.13, 123,376.77 and 72,454.23 is: 108,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.13 : 123,376.77 = 72,454.23 : x
  2. Step 2: Convert to fraction form
    82,247.13/123,376.77 = 72,454.23/x
  3. Step 3: Cross multiply
    82,247.13x = 123,376.77 × 72,454.23
  4. Step 4: Simplify right side
    82,247.13x = 8,939,168,870.24
  5. Step 5: Solve for x
    x = 8,939,168,870.24/82,247.13
  6. Step 6: Final answer
    x = 108,686.70

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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.