Home / 90,182.25-124,441.20-49,890.42

Finding the Fourth Proportional to 90,182.25, 124,441.20 and 49,890.42

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Solution

The fourth proportional to 90,182.25, 124,441.20 and 49,890.42 is: 68,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,182.25 : 124,441.20 = 49,890.42 : x
  2. Step 2: Convert to fraction form
    90,182.25/124,441.20 = 49,890.42/x
  3. Step 3: Cross multiply
    90,182.25x = 124,441.20 × 49,890.42
  4. Step 4: Simplify right side
    90,182.25x = 6,208,423,733.30
  5. Step 5: Solve for x
    x = 6,208,423,733.30/90,182.25
  6. Step 6: Final answer
    x = 68,843.08

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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.