Home / 132,172.23-182,397.84-71,742.87

Finding the Fourth Proportional to 132,172.23, 182,397.84 and 71,742.87

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Solution

The fourth proportional to 132,172.23, 182,397.84 and 71,742.87 is: 99,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.23 : 182,397.84 = 71,742.87 : x
  2. Step 2: Convert to fraction form
    132,172.23/182,397.84 = 71,742.87/x
  3. Step 3: Cross multiply
    132,172.23x = 182,397.84 × 71,742.87
  4. Step 4: Simplify right side
    132,172.23x = 13,085,744,523.40
  5. Step 5: Solve for x
    x = 13,085,744,523.40/132,172.23
  6. Step 6: Final answer
    x = 99,005.25

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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.