Home / 134,118.60-185,099.76-80,433.15

Finding the Fourth Proportional to 134,118.60, 185,099.76 and 80,433.15

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Solution

The fourth proportional to 134,118.60, 185,099.76 and 80,433.15 is: 111,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,118.60 : 185,099.76 = 80,433.15 : x
  2. Step 2: Convert to fraction form
    134,118.60/185,099.76 = 80,433.15/x
  3. Step 3: Cross multiply
    134,118.60x = 185,099.76 × 80,433.15
  4. Step 4: Simplify right side
    134,118.60x = 14,888,156,761.04
  5. Step 5: Solve for x
    x = 14,888,156,761.04/134,118.60
  6. Step 6: Final answer
    x = 111,007.40

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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.