Home / 88,726.10-133,089.15-57,233.30

Finding the Fourth Proportional to 88,726.10, 133,089.15 and 57,233.30

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Solution

The fourth proportional to 88,726.10, 133,089.15 and 57,233.30 is: 85,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,726.10 : 133,089.15 = 57,233.30 : x
  2. Step 2: Convert to fraction form
    88,726.10/133,089.15 = 57,233.30/x
  3. Step 3: Cross multiply
    88,726.10x = 133,089.15 × 57,233.30
  4. Step 4: Simplify right side
    88,726.10x = 7,617,131,248.70
  5. Step 5: Solve for x
    x = 7,617,131,248.70/88,726.10
  6. Step 6: Final answer
    x = 85,849.95

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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.