Home / 95,422.60-143,133.90-89,979.40

Finding the Fourth Proportional to 95,422.60, 143,133.90 and 89,979.40

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Solution

The fourth proportional to 95,422.60, 143,133.90 and 89,979.40 is: 134,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422.60 : 143,133.90 = 89,979.40 : x
  2. Step 2: Convert to fraction form
    95,422.60/143,133.90 = 89,979.40/x
  3. Step 3: Cross multiply
    95,422.60x = 143,133.90 × 89,979.40
  4. Step 4: Simplify right side
    95,422.60x = 12,879,102,441.66
  5. Step 5: Solve for x
    x = 12,879,102,441.66/95,422.60
  6. Step 6: Final answer
    x = 134,969.10

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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.