Home / 145,470.28-218,180.62-40,264.60

Finding the Fourth Proportional to 145,470.28, 218,180.62 and 40,264.60

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Solution

The fourth proportional to 145,470.28, 218,180.62 and 40,264.60 is: 60,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,470.28 : 218,180.62 = 40,264.60 : x
  2. Step 2: Convert to fraction form
    145,470.28/218,180.62 = 40,264.60/x
  3. Step 3: Cross multiply
    145,470.28x = 218,180.62 × 40,264.60
  4. Step 4: Simplify right side
    145,470.28x = 8,784,955,392.05
  5. Step 5: Solve for x
    x = 8,784,955,392.05/145,470.28
  6. Step 6: Final answer
    x = 60,390.04

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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.