Home / 95,422.20-143,133.30-85,580.70

Finding the Fourth Proportional to 95,422.20, 143,133.30 and 85,580.70

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Solution

The fourth proportional to 95,422.20, 143,133.30 and 85,580.70 is: 128,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422.20 : 143,133.30 = 85,580.70 : x
  2. Step 2: Convert to fraction form
    95,422.20/143,133.30 = 85,580.70/x
  3. Step 3: Cross multiply
    95,422.20x = 143,133.30 × 85,580.70
  4. Step 4: Simplify right side
    95,422.20x = 12,249,448,007.31
  5. Step 5: Solve for x
    x = 12,249,448,007.31/95,422.20
  6. Step 6: Final answer
    x = 128,371.05

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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.