Home / 132,505.20-182,859.56-72,077.20

Finding the Fourth Proportional to 132,505.20, 182,859.56 and 72,077.20

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Solution

The fourth proportional to 132,505.20, 182,859.56 and 72,077.20 is: 99,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,505.20 : 182,859.56 = 72,077.20 : x
  2. Step 2: Convert to fraction form
    132,505.20/182,859.56 = 72,077.20/x
  3. Step 3: Cross multiply
    132,505.20x = 182,859.56 × 72,077.20
  4. Step 4: Simplify right side
    132,505.20x = 13,180,005,078.03
  5. Step 5: Solve for x
    x = 13,180,005,078.03/132,505.20
  6. Step 6: Final answer
    x = 99,467.83

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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.