Home / 98,287.32-135,647.76-54,684.18

Finding the Fourth Proportional to 98,287.32, 135,647.76 and 54,684.18

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Solution

The fourth proportional to 98,287.32, 135,647.76 and 54,684.18 is: 75,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,287.32 : 135,647.76 = 54,684.18 : x
  2. Step 2: Convert to fraction form
    98,287.32/135,647.76 = 54,684.18/x
  3. Step 3: Cross multiply
    98,287.32x = 135,647.76 × 54,684.18
  4. Step 4: Simplify right side
    98,287.32x = 7,417,786,524.44
  5. Step 5: Solve for x
    x = 7,417,786,524.44/98,287.32
  6. Step 6: Final answer
    x = 75,470.43

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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.