Home / 109,552.88-164,387.18-77,737.53

Finding the Fourth Proportional to 109,552.88, 164,387.18 and 77,737.53

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Solution

The fourth proportional to 109,552.88, 164,387.18 and 77,737.53 is: 116,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,552.88 : 164,387.18 = 77,737.53 : x
  2. Step 2: Convert to fraction form
    109,552.88/164,387.18 = 77,737.53/x
  3. Step 3: Cross multiply
    109,552.88x = 164,387.18 × 77,737.53
  4. Step 4: Simplify right side
    109,552.88x = 12,779,053,553.49
  5. Step 5: Solve for x
    x = 12,779,053,553.49/109,552.88
  6. Step 6: Final answer
    x = 116,647.35

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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.