Home / 155,336.31-232,965.90-66,579.75

Finding the Fourth Proportional to 155,336.31, 232,965.90 and 66,579.75

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Solution

The fourth proportional to 155,336.31, 232,965.90 and 66,579.75 is: 99,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,336.31 : 232,965.90 = 66,579.75 : x
  2. Step 2: Convert to fraction form
    155,336.31/232,965.90 = 66,579.75/x
  3. Step 3: Cross multiply
    155,336.31x = 232,965.90 × 66,579.75
  4. Step 4: Simplify right side
    155,336.31x = 15,510,811,380.53
  5. Step 5: Solve for x
    x = 15,510,811,380.53/155,336.31
  6. Step 6: Final answer
    x = 99,853.10

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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.