Home / 125,310.48-172,928.48-68,723.04

Finding the Fourth Proportional to 125,310.48, 172,928.48 and 68,723.04

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Solution

The fourth proportional to 125,310.48, 172,928.48 and 68,723.04 is: 94,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,310.48 : 172,928.48 = 68,723.04 : x
  2. Step 2: Convert to fraction form
    125,310.48/172,928.48 = 68,723.04/x
  3. Step 3: Cross multiply
    125,310.48x = 172,928.48 × 68,723.04
  4. Step 4: Simplify right side
    125,310.48x = 11,884,170,848.18
  5. Step 5: Solve for x
    x = 11,884,170,848.18/125,310.48
  6. Step 6: Final answer
    x = 94,837.80

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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.