Home / 126,046.47-173,941.90-68,686.30

Finding the Fourth Proportional to 126,046.47, 173,941.90 and 68,686.30

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Solution

The fourth proportional to 126,046.47, 173,941.90 and 68,686.30 is: 94,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,046.47 : 173,941.90 = 68,686.30 : x
  2. Step 2: Convert to fraction form
    126,046.47/173,941.90 = 68,686.30/x
  3. Step 3: Cross multiply
    126,046.47x = 173,941.90 × 68,686.30
  4. Step 4: Simplify right side
    126,046.47x = 11,947,424,919.40
  5. Step 5: Solve for x
    x = 11,947,424,919.40/126,046.47
  6. Step 6: Final answer
    x = 94,785.87

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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.