Home / 72,070.17-108,115.59-22,154.46

Finding the Fourth Proportional to 72,070.17, 108,115.59 and 22,154.46

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Solution

The fourth proportional to 72,070.17, 108,115.59 and 22,154.46 is: 33,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070.17 : 108,115.59 = 22,154.46 : x
  2. Step 2: Convert to fraction form
    72,070.17/108,115.59 = 22,154.46/x
  3. Step 3: Cross multiply
    72,070.17x = 108,115.59 × 22,154.46
  4. Step 4: Simplify right side
    72,070.17x = 2,395,242,514.03
  5. Step 5: Solve for x
    x = 2,395,242,514.03/72,070.17
  6. Step 6: Final answer
    x = 33,234.87

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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.