Home / 90,464.56-124,841.12-50,178.80

Finding the Fourth Proportional to 90,464.56, 124,841.12 and 50,178.80

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Solution

The fourth proportional to 90,464.56, 124,841.12 and 50,178.80 is: 69,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464.56 : 124,841.12 = 50,178.80 : x
  2. Step 2: Convert to fraction form
    90,464.56/124,841.12 = 50,178.80/x
  3. Step 3: Cross multiply
    90,464.56x = 124,841.12 × 50,178.80
  4. Step 4: Simplify right side
    90,464.56x = 6,264,377,592.26
  5. Step 5: Solve for x
    x = 6,264,377,592.26/90,464.56
  6. Step 6: Final answer
    x = 69,246.76

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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.