Home / 98,366.22-135,761.13-55,938.42

Finding the Fourth Proportional to 98,366.22, 135,761.13 and 55,938.42

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Solution

The fourth proportional to 98,366.22, 135,761.13 and 55,938.42 is: 77,203.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,366.22 : 135,761.13 = 55,938.42 : x
  2. Step 2: Convert to fraction form
    98,366.22/135,761.13 = 55,938.42/x
  3. Step 3: Cross multiply
    98,366.22x = 135,761.13 × 55,938.42
  4. Step 4: Simplify right side
    98,366.22x = 7,594,263,109.61
  5. Step 5: Solve for x
    x = 7,594,263,109.61/98,366.22
  6. Step 6: Final answer
    x = 77,203.97

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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.