Home / 80,148.47-120,246.77-23,990.41

Finding the Fourth Proportional to 80,148.47, 120,246.77 and 23,990.41

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Solution

The fourth proportional to 80,148.47, 120,246.77 and 23,990.41 is: 35,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,148.47 : 120,246.77 = 23,990.41 : x
  2. Step 2: Convert to fraction form
    80,148.47/120,246.77 = 23,990.41/x
  3. Step 3: Cross multiply
    80,148.47x = 120,246.77 × 23,990.41
  4. Step 4: Simplify right side
    80,148.47x = 2,884,769,313.48
  5. Step 5: Solve for x
    x = 2,884,769,313.48/80,148.47
  6. Step 6: Final answer
    x = 35,992.82

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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.