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Finding the Fourth Proportional to 154,765.83, 232,149.08 and 42,447.65

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Solution

The fourth proportional to 154,765.83, 232,149.08 and 42,447.65 is: 63,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,765.83 : 232,149.08 = 42,447.65 : x
  2. Step 2: Convert to fraction form
    154,765.83/232,149.08 = 42,447.65/x
  3. Step 3: Cross multiply
    154,765.83x = 232,149.08 × 42,447.65
  4. Step 4: Simplify right side
    154,765.83x = 9,854,182,683.42
  5. Step 5: Solve for x
    x = 9,854,182,683.42/154,765.83
  6. Step 6: Final answer
    x = 63,671.57

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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.