Home / 94,278.12-130,104.33-51,839.40

Finding the Fourth Proportional to 94,278.12, 130,104.33 and 51,839.40

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Solution

The fourth proportional to 94,278.12, 130,104.33 and 51,839.40 is: 71,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,278.12 : 130,104.33 = 51,839.40 : x
  2. Step 2: Convert to fraction form
    94,278.12/130,104.33 = 51,839.40/x
  3. Step 3: Cross multiply
    94,278.12x = 130,104.33 × 51,839.40
  4. Step 4: Simplify right side
    94,278.12x = 6,744,530,404.60
  5. Step 5: Solve for x
    x = 6,744,530,404.60/94,278.12
  6. Step 6: Final answer
    x = 71,538.66

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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.