Home / 132,376.80-182,679.67-71,947.50

Finding the Fourth Proportional to 132,376.80, 182,679.67 and 71,947.50

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Solution

The fourth proportional to 132,376.80, 182,679.67 and 71,947.50 is: 99,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,376.80 : 182,679.67 = 71,947.50 : x
  2. Step 2: Convert to fraction form
    132,376.80/182,679.67 = 71,947.50/x
  3. Step 3: Cross multiply
    132,376.80x = 182,679.67 × 71,947.50
  4. Step 4: Simplify right side
    132,376.80x = 13,143,345,557.33
  5. Step 5: Solve for x
    x = 13,143,345,557.33/132,376.80
  6. Step 6: Final answer
    x = 99,287.38

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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.