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Finding the Fourth Proportional to 67,400.76, 101,101.12 and 18,152.76

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Solution

The fourth proportional to 67,400.76, 101,101.12 and 18,152.76 is: 27,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.76 : 101,101.12 = 18,152.76 : x
  2. Step 2: Convert to fraction form
    67,400.76/101,101.12 = 18,152.76/x
  3. Step 3: Cross multiply
    67,400.76x = 101,101.12 × 18,152.76
  4. Step 4: Simplify right side
    67,400.76x = 1,835,264,367.09
  5. Step 5: Solve for x
    x = 1,835,264,367.09/67,400.76
  6. Step 6: Final answer
    x = 27,229.13

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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.