Home / 124,723.60-172,118.40-68,134.96

Finding the Fourth Proportional to 124,723.60, 172,118.40 and 68,134.96

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Solution

The fourth proportional to 124,723.60, 172,118.40 and 68,134.96 is: 94,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,723.60 : 172,118.40 = 68,134.96 : x
  2. Step 2: Convert to fraction form
    124,723.60/172,118.40 = 68,134.96/x
  3. Step 3: Cross multiply
    124,723.60x = 172,118.40 × 68,134.96
  4. Step 4: Simplify right side
    124,723.60x = 11,727,280,299.26
  5. Step 5: Solve for x
    x = 11,727,280,299.26/124,723.60
  6. Step 6: Final answer
    x = 94,026.15

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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.