Home / 124,719.70-172,058.51-76,323.96

Finding the Fourth Proportional to 124,719.70, 172,058.51 and 76,323.96

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Solution

The fourth proportional to 124,719.70, 172,058.51 and 76,323.96 is: 105,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,719.70 : 172,058.51 = 76,323.96 : x
  2. Step 2: Convert to fraction form
    124,719.70/172,058.51 = 76,323.96/x
  3. Step 3: Cross multiply
    124,719.70x = 172,058.51 × 76,323.96
  4. Step 4: Simplify right side
    124,719.70x = 13,132,186,834.90
  5. Step 5: Solve for x
    x = 13,132,186,834.90/124,719.70
  6. Step 6: Final answer
    x = 105,293.61

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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.