Home / 125,094.09-172,458.24-79,130.87

Finding the Fourth Proportional to 125,094.09, 172,458.24 and 79,130.87

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Solution

The fourth proportional to 125,094.09, 172,458.24 and 79,130.87 is: 109,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,094.09 : 172,458.24 = 79,130.87 : x
  2. Step 2: Convert to fraction form
    125,094.09/172,458.24 = 79,130.87/x
  3. Step 3: Cross multiply
    125,094.09x = 172,458.24 × 79,130.87
  4. Step 4: Simplify right side
    125,094.09x = 13,646,769,707.58
  5. Step 5: Solve for x
    x = 13,646,769,707.58/125,094.09
  6. Step 6: Final answer
    x = 109,092.04

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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.