Home / 124,904.13-172,363.41-71,206.45

Finding the Fourth Proportional to 124,904.13, 172,363.41 and 71,206.45

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Solution

The fourth proportional to 124,904.13, 172,363.41 and 71,206.45 is: 98,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,904.13 : 172,363.41 = 71,206.45 : x
  2. Step 2: Convert to fraction form
    124,904.13/172,363.41 = 71,206.45/x
  3. Step 3: Cross multiply
    124,904.13x = 172,363.41 × 71,206.45
  4. Step 4: Simplify right side
    124,904.13x = 12,273,386,535.99
  5. Step 5: Solve for x
    x = 12,273,386,535.99/124,904.13
  6. Step 6: Final answer
    x = 98,262.46

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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.