Home / 83,232.66-125,119.64-66,772.76

Finding the Fourth Proportional to 83,232.66, 125,119.64 and 66,772.76

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Solution

The fourth proportional to 83,232.66, 125,119.64 and 66,772.76 is: 100,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232.66 : 125,119.64 = 66,772.76 : x
  2. Step 2: Convert to fraction form
    83,232.66/125,119.64 = 66,772.76/x
  3. Step 3: Cross multiply
    83,232.66x = 125,119.64 × 66,772.76
  4. Step 4: Simplify right side
    83,232.66x = 8,354,584,172.74
  5. Step 5: Solve for x
    x = 8,354,584,172.74/83,232.66
  6. Step 6: Final answer
    x = 100,376.27

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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.