Home / 145,582.20-218,372.03-40,401.17

Finding the Fourth Proportional to 145,582.20, 218,372.03 and 40,401.17

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Solution

The fourth proportional to 145,582.20, 218,372.03 and 40,401.17 is: 60,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,582.20 : 218,372.03 = 40,401.17 : x
  2. Step 2: Convert to fraction form
    145,582.20/218,372.03 = 40,401.17/x
  3. Step 3: Cross multiply
    145,582.20x = 218,372.03 × 40,401.17
  4. Step 4: Simplify right side
    145,582.20x = 8,822,485,507.28
  5. Step 5: Solve for x
    x = 8,822,485,507.28/145,582.20
  6. Step 6: Final answer
    x = 60,601.40

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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.