Home / 154,617.20-231,925.80-49,439.60

Finding the Fourth Proportional to 154,617.20, 231,925.80 and 49,439.60

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Solution

The fourth proportional to 154,617.20, 231,925.80 and 49,439.60 is: 74,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,617.20 : 231,925.80 = 49,439.60 : x
  2. Step 2: Convert to fraction form
    154,617.20/231,925.80 = 49,439.60/x
  3. Step 3: Cross multiply
    154,617.20x = 231,925.80 × 49,439.60
  4. Step 4: Simplify right side
    154,617.20x = 11,466,318,781.68
  5. Step 5: Solve for x
    x = 11,466,318,781.68/154,617.20
  6. Step 6: Final answer
    x = 74,159.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.