Home / 143,951.60-215,927.40-132,579.20

Finding the Fourth Proportional to 143,951.60, 215,927.40 and 132,579.20

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Solution

The fourth proportional to 143,951.60, 215,927.40 and 132,579.20 is: 198,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,951.60 : 215,927.40 = 132,579.20 : x
  2. Step 2: Convert to fraction form
    143,951.60/215,927.40 = 132,579.20/x
  3. Step 3: Cross multiply
    143,951.60x = 215,927.40 × 132,579.20
  4. Step 4: Simplify right side
    143,951.60x = 28,627,481,950.08
  5. Step 5: Solve for x
    x = 28,627,481,950.08/143,951.60
  6. Step 6: Final answer
    x = 198,868.80

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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.