Home / 124,914.15-172,395.14-79,633.53

Finding the Fourth Proportional to 124,914.15, 172,395.14 and 79,633.53

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Solution

The fourth proportional to 124,914.15, 172,395.14 and 79,633.53 is: 109,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.15 : 172,395.14 = 79,633.53 : x
  2. Step 2: Convert to fraction form
    124,914.15/172,395.14 = 79,633.53/x
  3. Step 3: Cross multiply
    124,914.15x = 172,395.14 × 79,633.53
  4. Step 4: Simplify right side
    124,914.15x = 13,728,433,154.88
  5. Step 5: Solve for x
    x = 13,728,433,154.88/124,914.15
  6. Step 6: Final answer
    x = 109,902.95

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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.