Home / 125,146.32-172,699.61-68,557.29

Finding the Fourth Proportional to 125,146.32, 172,699.61 and 68,557.29

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Solution

The fourth proportional to 125,146.32, 172,699.61 and 68,557.29 is: 94,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,146.32 : 172,699.61 = 68,557.29 : x
  2. Step 2: Convert to fraction form
    125,146.32/172,699.61 = 68,557.29/x
  3. Step 3: Cross multiply
    125,146.32x = 172,699.61 × 68,557.29
  4. Step 4: Simplify right side
    125,146.32x = 11,839,816,902.87
  5. Step 5: Solve for x
    x = 11,839,816,902.87/125,146.32
  6. Step 6: Final answer
    x = 94,607.79

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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.