Home / 90,117.33-135,205.62-36,854.12

Finding the Fourth Proportional to 90,117.33, 135,205.62 and 36,854.12

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Solution

The fourth proportional to 90,117.33, 135,205.62 and 36,854.12 is: 55,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,117.33 : 135,205.62 = 36,854.12 : x
  2. Step 2: Convert to fraction form
    90,117.33/135,205.62 = 36,854.12/x
  3. Step 3: Cross multiply
    90,117.33x = 135,205.62 × 36,854.12
  4. Step 4: Simplify right side
    90,117.33x = 4,982,883,283.86
  5. Step 5: Solve for x
    x = 4,982,883,283.86/90,117.33
  6. Step 6: Final answer
    x = 55,293.28

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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.