Home / 154,758.85-232,171.70-48,140.78

Finding the Fourth Proportional to 154,758.85, 232,171.70 and 48,140.78

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Solution

The fourth proportional to 154,758.85, 232,171.70 and 48,140.78 is: 72,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,758.85 : 232,171.70 = 48,140.78 : x
  2. Step 2: Convert to fraction form
    154,758.85/232,171.70 = 48,140.78/x
  3. Step 3: Cross multiply
    154,758.85x = 232,171.70 × 48,140.78
  4. Step 4: Simplify right side
    154,758.85x = 11,176,926,907.12
  5. Step 5: Solve for x
    x = 11,176,926,907.12/154,758.85
  6. Step 6: Final answer
    x = 72,221.57

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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.