Home / 155,463.40-233,195.10-138,550.60

Finding the Fourth Proportional to 155,463.40, 233,195.10 and 138,550.60

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Solution

The fourth proportional to 155,463.40, 233,195.10 and 138,550.60 is: 207,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,463.40 : 233,195.10 = 138,550.60 : x
  2. Step 2: Convert to fraction form
    155,463.40/233,195.10 = 138,550.60/x
  3. Step 3: Cross multiply
    155,463.40x = 233,195.10 × 138,550.60
  4. Step 4: Simplify right side
    155,463.40x = 32,309,321,022.06
  5. Step 5: Solve for x
    x = 32,309,321,022.06/155,463.40
  6. Step 6: Final answer
    x = 207,825.90

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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.