Home / 132,414.75-182,733.53-71,985.51

Finding the Fourth Proportional to 132,414.75, 182,733.53 and 71,985.51

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Solution

The fourth proportional to 132,414.75, 182,733.53 and 71,985.51 is: 99,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,414.75 : 182,733.53 = 71,985.51 : x
  2. Step 2: Convert to fraction form
    132,414.75/182,733.53 = 71,985.51/x
  3. Step 3: Cross multiply
    132,414.75x = 182,733.53 × 71,985.51
  4. Step 4: Simplify right side
    132,414.75x = 13,154,165,991.22
  5. Step 5: Solve for x
    x = 13,154,165,991.22/132,414.75
  6. Step 6: Final answer
    x = 99,340.64

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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.