Home / 67,159.08-100,656-29,678.76

Finding the Fourth Proportional to 67,159.08, 100,656 and 29,678.76

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Solution

The fourth proportional to 67,159.08, 100,656 and 29,678.76 is: 44,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,159.08 : 100,656 = 29,678.76 : x
  2. Step 2: Convert to fraction form
    67,159.08/100,656 = 29,678.76/x
  3. Step 3: Cross multiply
    67,159.08x = 100,656 × 29,678.76
  4. Step 4: Simplify right side
    67,159.08x = 2,987,345,266.56
  5. Step 5: Solve for x
    x = 2,987,345,266.56/67,159.08
  6. Step 6: Final answer
    x = 44,481.63

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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.