Home / 90,418.98-124,766.58-50,132.34

Finding the Fourth Proportional to 90,418.98, 124,766.58 and 50,132.34

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Solution

The fourth proportional to 90,418.98, 124,766.58 and 50,132.34 is: 69,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,418.98 : 124,766.58 = 50,132.34 : x
  2. Step 2: Convert to fraction form
    90,418.98/124,766.58 = 50,132.34/x
  3. Step 3: Cross multiply
    90,418.98x = 124,766.58 × 50,132.34
  4. Step 4: Simplify right side
    90,418.98x = 6,254,840,609.20
  5. Step 5: Solve for x
    x = 6,254,840,609.20/90,418.98
  6. Step 6: Final answer
    x = 69,176.19

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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.