Home / 125,094.34-172,458.59-79,131.11

Finding the Fourth Proportional to 125,094.34, 172,458.59 and 79,131.11

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Solution

The fourth proportional to 125,094.34, 172,458.59 and 79,131.11 is: 109,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,094.34 : 172,458.59 = 79,131.11 : x
  2. Step 2: Convert to fraction form
    125,094.34/172,458.59 = 79,131.11/x
  3. Step 3: Cross multiply
    125,094.34x = 172,458.59 × 79,131.11
  4. Step 4: Simplify right side
    125,094.34x = 13,646,839,691.23
  5. Step 5: Solve for x
    x = 13,646,839,691.23/125,094.34
  6. Step 6: Final answer
    x = 109,092.39

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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.