Home / 155,724.60-233,586.90-145,356.60

Finding the Fourth Proportional to 155,724.60, 233,586.90 and 145,356.60

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Solution

The fourth proportional to 155,724.60, 233,586.90 and 145,356.60 is: 218,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,724.60 : 233,586.90 = 145,356.60 : x
  2. Step 2: Convert to fraction form
    155,724.60/233,586.90 = 145,356.60/x
  3. Step 3: Cross multiply
    155,724.60x = 233,586.90 × 145,356.60
  4. Step 4: Simplify right side
    155,724.60x = 33,953,397,588.54
  5. Step 5: Solve for x
    x = 33,953,397,588.54/155,724.60
  6. Step 6: Final answer
    x = 218,034.90

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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.