Home / 132,352.48-182,645.85-74,991.70

Finding the Fourth Proportional to 132,352.48, 182,645.85 and 74,991.70

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Solution

The fourth proportional to 132,352.48, 182,645.85 and 74,991.70 is: 103,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.48 : 182,645.85 = 74,991.70 : x
  2. Step 2: Convert to fraction form
    132,352.48/182,645.85 = 74,991.70/x
  3. Step 3: Cross multiply
    132,352.48x = 182,645.85 × 74,991.70
  4. Step 4: Simplify right side
    132,352.48x = 13,696,922,789.45
  5. Step 5: Solve for x
    x = 13,696,922,789.45/132,352.48
  6. Step 6: Final answer
    x = 103,488.22

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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.