Home / 94,182.18-129,966-51,739.80

Finding the Fourth Proportional to 94,182.18, 129,966 and 51,739.80

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Solution

The fourth proportional to 94,182.18, 129,966 and 51,739.80 is: 71,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,182.18 : 129,966 = 51,739.80 : x
  2. Step 2: Convert to fraction form
    94,182.18/129,966 = 51,739.80/x
  3. Step 3: Cross multiply
    94,182.18x = 129,966 × 51,739.80
  4. Step 4: Simplify right side
    94,182.18x = 6,724,414,846.80
  5. Step 5: Solve for x
    x = 6,724,414,846.80/94,182.18
  6. Step 6: Final answer
    x = 71,397.95

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1.5x scale

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.