Home / 127,520.40-191,273.16-48,642.60

Finding the Fourth Proportional to 127,520.40, 191,273.16 and 48,642.60

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Solution

The fourth proportional to 127,520.40, 191,273.16 and 48,642.60 is: 72,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,520.40 : 191,273.16 = 48,642.60 : x
  2. Step 2: Convert to fraction form
    127,520.40/191,273.16 = 48,642.60/x
  3. Step 3: Cross multiply
    127,520.40x = 191,273.16 × 48,642.60
  4. Step 4: Simplify right side
    127,520.40x = 9,304,023,812.62
  5. Step 5: Solve for x
    x = 9,304,023,812.62/127,520.40
  6. Step 6: Final answer
    x = 72,961.06

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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.