Home / 155,642.97-233,090.20-88,880.75

Finding the Fourth Proportional to 155,642.97, 233,090.20 and 88,880.75

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Solution

The fourth proportional to 155,642.97, 233,090.20 and 88,880.75 is: 133,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,642.97 : 233,090.20 = 88,880.75 : x
  2. Step 2: Convert to fraction form
    155,642.97/233,090.20 = 88,880.75/x
  3. Step 3: Cross multiply
    155,642.97x = 233,090.20 × 88,880.75
  4. Step 4: Simplify right side
    155,642.97x = 20,717,231,793.65
  5. Step 5: Solve for x
    x = 20,717,231,793.65/155,642.97
  6. Step 6: Final answer
    x = 133,107.40

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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.