Home / 88,428.10-132,642.15-70,932.10

Finding the Fourth Proportional to 88,428.10, 132,642.15 and 70,932.10

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Solution

The fourth proportional to 88,428.10, 132,642.15 and 70,932.10 is: 106,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,428.10 : 132,642.15 = 70,932.10 : x
  2. Step 2: Convert to fraction form
    88,428.10/132,642.15 = 70,932.10/x
  3. Step 3: Cross multiply
    88,428.10x = 132,642.15 × 70,932.10
  4. Step 4: Simplify right side
    88,428.10x = 9,408,586,248.02
  5. Step 5: Solve for x
    x = 9,408,586,248.02/88,428.10
  6. Step 6: Final answer
    x = 106,398.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.