Home / 90,165.66-124,478.27-67,496.49

Finding the Fourth Proportional to 90,165.66, 124,478.27 and 67,496.49

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Solution

The fourth proportional to 90,165.66, 124,478.27 and 67,496.49 is: 93,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165.66 : 124,478.27 = 67,496.49 : x
  2. Step 2: Convert to fraction form
    90,165.66/124,478.27 = 67,496.49/x
  3. Step 3: Cross multiply
    90,165.66x = 124,478.27 × 67,496.49
  4. Step 4: Simplify right side
    90,165.66x = 8,401,846,221.90
  5. Step 5: Solve for x
    x = 8,401,846,221.90/90,165.66
  6. Step 6: Final answer
    x = 93,182.33

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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.