Home / 145,449.32-218,174.28-40,268.60

Finding the Fourth Proportional to 145,449.32, 218,174.28 and 40,268.60

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Solution

The fourth proportional to 145,449.32, 218,174.28 and 40,268.60 is: 60,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,449.32 : 218,174.28 = 40,268.60 : x
  2. Step 2: Convert to fraction form
    145,449.32/218,174.28 = 40,268.60/x
  3. Step 3: Cross multiply
    145,449.32x = 218,174.28 × 40,268.60
  4. Step 4: Simplify right side
    145,449.32x = 8,785,572,811.61
  5. Step 5: Solve for x
    x = 8,785,572,811.61/145,449.32
  6. Step 6: Final answer
    x = 60,402.98

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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.