Home / 72,108.12-108,177.22-24,721.30

Finding the Fourth Proportional to 72,108.12, 108,177.22 and 24,721.30

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Solution

The fourth proportional to 72,108.12, 108,177.22 and 24,721.30 is: 37,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,108.12 : 108,177.22 = 24,721.30 : x
  2. Step 2: Convert to fraction form
    72,108.12/108,177.22 = 24,721.30/x
  3. Step 3: Cross multiply
    72,108.12x = 108,177.22 × 24,721.30
  4. Step 4: Simplify right side
    72,108.12x = 2,674,281,674.91
  5. Step 5: Solve for x
    x = 2,674,281,674.91/72,108.12
  6. Step 6: Final answer
    x = 37,087.11

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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.