Home / 132,422.60-182,746.80-71,997.31

Finding the Fourth Proportional to 132,422.60, 182,746.80 and 71,997.31

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Solution

The fourth proportional to 132,422.60, 182,746.80 and 71,997.31 is: 99,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,422.60 : 182,746.80 = 71,997.31 : x
  2. Step 2: Convert to fraction form
    132,422.60/182,746.80 = 71,997.31/x
  3. Step 3: Cross multiply
    132,422.60x = 182,746.80 × 71,997.31
  4. Step 4: Simplify right side
    132,422.60x = 13,157,277,969.55
  5. Step 5: Solve for x
    x = 13,157,277,969.55/132,422.60
  6. Step 6: Final answer
    x = 99,358.25

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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.