Home / 155,961.40-233,723.40-137,153.20

Finding the Fourth Proportional to 155,961.40, 233,723.40 and 137,153.20

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Solution

The fourth proportional to 155,961.40, 233,723.40 and 137,153.20 is: 205,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,961.40 : 233,723.40 = 137,153.20 : x
  2. Step 2: Convert to fraction form
    155,961.40/233,723.40 = 137,153.20/x
  3. Step 3: Cross multiply
    155,961.40x = 233,723.40 × 137,153.20
  4. Step 4: Simplify right side
    155,961.40x = 32,055,912,224.88
  5. Step 5: Solve for x
    x = 32,055,912,224.88/155,961.40
  6. Step 6: Final answer
    x = 205,537.47

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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.