Home / 132,340.39-182,630.89-71,911.03

Finding the Fourth Proportional to 132,340.39, 182,630.89 and 71,911.03

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Solution

The fourth proportional to 132,340.39, 182,630.89 and 71,911.03 is: 99,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.39 : 182,630.89 = 71,911.03 : x
  2. Step 2: Convert to fraction form
    132,340.39/182,630.89 = 71,911.03/x
  3. Step 3: Cross multiply
    132,340.39x = 182,630.89 × 71,911.03
  4. Step 4: Simplify right side
    132,340.39x = 13,133,175,220.13
  5. Step 5: Solve for x
    x = 13,133,175,220.13/132,340.39
  6. Step 6: Final answer
    x = 99,237.85

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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.