Home / 85,104.74-127,670.96-25,139.30

Finding the Fourth Proportional to 85,104.74, 127,670.96 and 25,139.30

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Solution

The fourth proportional to 85,104.74, 127,670.96 and 25,139.30 is: 37,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104.74 : 127,670.96 = 25,139.30 : x
  2. Step 2: Convert to fraction form
    85,104.74/127,670.96 = 25,139.30/x
  3. Step 3: Cross multiply
    85,104.74x = 127,670.96 × 25,139.30
  4. Step 4: Simplify right side
    85,104.74x = 3,209,557,989.22
  5. Step 5: Solve for x
    x = 3,209,557,989.22/85,104.74
  6. Step 6: Final answer
    x = 37,713.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.