Home / 145,625.04-218,474.01-45,781.20

Finding the Fourth Proportional to 145,625.04, 218,474.01 and 45,781.20

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Solution

The fourth proportional to 145,625.04, 218,474.01 and 45,781.20 is: 68,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,625.04 : 218,474.01 = 45,781.20 : x
  2. Step 2: Convert to fraction form
    145,625.04/218,474.01 = 45,781.20/x
  3. Step 3: Cross multiply
    145,625.04x = 218,474.01 × 45,781.20
  4. Step 4: Simplify right side
    145,625.04x = 10,002,002,346.61
  5. Step 5: Solve for x
    x = 10,002,002,346.61/145,625.04
  6. Step 6: Final answer
    x = 68,683.26

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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.