Home / 132,415.29-182,734.92-71,985.94

Finding the Fourth Proportional to 132,415.29, 182,734.92 and 71,985.94

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Solution

The fourth proportional to 132,415.29, 182,734.92 and 71,985.94 is: 99,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415.29 : 182,734.92 = 71,985.94 : x
  2. Step 2: Convert to fraction form
    132,415.29/182,734.92 = 71,985.94/x
  3. Step 3: Cross multiply
    132,415.29x = 182,734.92 × 71,985.94
  4. Step 4: Simplify right side
    132,415.29x = 13,154,344,530.19
  5. Step 5: Solve for x
    x = 13,154,344,530.19/132,415.29
  6. Step 6: Final answer
    x = 99,341.58

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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.