Home / 90,432.06-124,794.90-50,145.90

Finding the Fourth Proportional to 90,432.06, 124,794.90 and 50,145.90

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Solution

The fourth proportional to 90,432.06, 124,794.90 and 50,145.90 is: 69,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.06 : 124,794.90 = 50,145.90 : x
  2. Step 2: Convert to fraction form
    90,432.06/124,794.90 = 50,145.90/x
  3. Step 3: Cross multiply
    90,432.06x = 124,794.90 × 50,145.90
  4. Step 4: Simplify right side
    90,432.06x = 6,257,952,575.91
  5. Step 5: Solve for x
    x = 6,257,952,575.91/90,432.06
  6. Step 6: Final answer
    x = 69,200.60

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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.