Home / 77,136.60-115,726.68-24,550.20

Finding the Fourth Proportional to 77,136.60, 115,726.68 and 24,550.20

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Solution

The fourth proportional to 77,136.60, 115,726.68 and 24,550.20 is: 36,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.60 : 115,726.68 = 24,550.20 : x
  2. Step 2: Convert to fraction form
    77,136.60/115,726.68 = 24,550.20/x
  3. Step 3: Cross multiply
    77,136.60x = 115,726.68 × 24,550.20
  4. Step 4: Simplify right side
    77,136.60x = 2,841,113,139.34
  5. Step 5: Solve for x
    x = 2,841,113,139.34/77,136.60
  6. Step 6: Final answer
    x = 36,832.23

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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.