Home / 132,370.80-182,673.12-71,941.45

Finding the Fourth Proportional to 132,370.80, 182,673.12 and 71,941.45

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Solution

The fourth proportional to 132,370.80, 182,673.12 and 71,941.45 is: 99,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.80 : 182,673.12 = 71,941.45 : x
  2. Step 2: Convert to fraction form
    132,370.80/182,673.12 = 71,941.45/x
  3. Step 3: Cross multiply
    132,370.80x = 182,673.12 × 71,941.45
  4. Step 4: Simplify right side
    132,370.80x = 13,141,769,128.82
  5. Step 5: Solve for x
    x = 13,141,769,128.82/132,370.80
  6. Step 6: Final answer
    x = 99,279.97

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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.