Home / 132,305.18-182,580.41-71,875.34

Finding the Fourth Proportional to 132,305.18, 182,580.41 and 71,875.34

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Solution

The fourth proportional to 132,305.18, 182,580.41 and 71,875.34 is: 99,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.18 : 182,580.41 = 71,875.34 : x
  2. Step 2: Convert to fraction form
    132,305.18/182,580.41 = 71,875.34/x
  3. Step 3: Cross multiply
    132,305.18x = 182,580.41 × 71,875.34
  4. Step 4: Simplify right side
    132,305.18x = 13,123,028,312.88
  5. Step 5: Solve for x
    x = 13,123,028,312.88/132,305.18
  6. Step 6: Final answer
    x = 99,187.57

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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.