Home / 94,147.09-129,922.48-51,126.20

Finding the Fourth Proportional to 94,147.09, 129,922.48 and 51,126.20

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Solution

The fourth proportional to 94,147.09, 129,922.48 and 51,126.20 is: 70,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,147.09 : 129,922.48 = 51,126.20 : x
  2. Step 2: Convert to fraction form
    94,147.09/129,922.48 = 51,126.20/x
  3. Step 3: Cross multiply
    94,147.09x = 129,922.48 × 51,126.20
  4. Step 4: Simplify right side
    94,147.09x = 6,642,442,441.35
  5. Step 5: Solve for x
    x = 6,642,442,441.35/94,147.09
  6. Step 6: Final answer
    x = 70,553.88

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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.