Home / 126,418.17-174,462.15-72,703.17

Finding the Fourth Proportional to 126,418.17, 174,462.15 and 72,703.17

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Solution

The fourth proportional to 126,418.17, 174,462.15 and 72,703.17 is: 100,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.17 : 174,462.15 = 72,703.17 : x
  2. Step 2: Convert to fraction form
    126,418.17/174,462.15 = 72,703.17/x
  3. Step 3: Cross multiply
    126,418.17x = 174,462.15 × 72,703.17
  4. Step 4: Simplify right side
    126,418.17x = 12,683,951,622.65
  5. Step 5: Solve for x
    x = 12,683,951,622.65/126,418.17
  6. Step 6: Final answer
    x = 100,333.30

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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.