Home / 132,171.64-182,397.36-71,742.40

Finding the Fourth Proportional to 132,171.64, 182,397.36 and 71,742.40

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Solution

The fourth proportional to 132,171.64, 182,397.36 and 71,742.40 is: 99,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,171.64 : 182,397.36 = 71,742.40 : x
  2. Step 2: Convert to fraction form
    132,171.64/182,397.36 = 71,742.40/x
  3. Step 3: Cross multiply
    132,171.64x = 182,397.36 × 71,742.40
  4. Step 4: Simplify right side
    132,171.64x = 13,085,624,360.06
  5. Step 5: Solve for x
    x = 13,085,624,360.06/132,171.64
  6. Step 6: Final answer
    x = 99,004.78

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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.