Home / 124,718.70-172,057.13-76,322.96

Finding the Fourth Proportional to 124,718.70, 172,057.13 and 76,322.96

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Solution

The fourth proportional to 124,718.70, 172,057.13 and 76,322.96 is: 105,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,718.70 : 172,057.13 = 76,322.96 : x
  2. Step 2: Convert to fraction form
    124,718.70/172,057.13 = 76,322.96/x
  3. Step 3: Cross multiply
    124,718.70x = 172,057.13 × 76,322.96
  4. Step 4: Simplify right side
    124,718.70x = 13,131,909,140.23
  5. Step 5: Solve for x
    x = 13,131,909,140.23/124,718.70
  6. Step 6: Final answer
    x = 105,292.22

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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.