Home / 81,150.76-121,747.92-24,992.20

Finding the Fourth Proportional to 81,150.76, 121,747.92 and 24,992.20

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Solution

The fourth proportional to 81,150.76, 121,747.92 and 24,992.20 is: 37,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,150.76 : 121,747.92 = 24,992.20 : x
  2. Step 2: Convert to fraction form
    81,150.76/121,747.92 = 24,992.20/x
  3. Step 3: Cross multiply
    81,150.76x = 121,747.92 × 24,992.20
  4. Step 4: Simplify right side
    81,150.76x = 3,042,748,366.22
  5. Step 5: Solve for x
    x = 3,042,748,366.22/81,150.76
  6. Step 6: Final answer
    x = 37,495.01

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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.