Home / 92,237.76-127,020.11-80,132.72

Finding the Fourth Proportional to 92,237.76, 127,020.11 and 80,132.72

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Solution

The fourth proportional to 92,237.76, 127,020.11 and 80,132.72 is: 110,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,237.76 : 127,020.11 = 80,132.72 : x
  2. Step 2: Convert to fraction form
    92,237.76/127,020.11 = 80,132.72/x
  3. Step 3: Cross multiply
    92,237.76x = 127,020.11 × 80,132.72
  4. Step 4: Simplify right side
    92,237.76x = 10,178,465,873.24
  5. Step 5: Solve for x
    x = 10,178,465,873.24/92,237.76
  6. Step 6: Final answer
    x = 110,350.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.