Home / 145,369.08-218,057.72-40,188.04

Finding the Fourth Proportional to 145,369.08, 218,057.72 and 40,188.04

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Solution

The fourth proportional to 145,369.08, 218,057.72 and 40,188.04 is: 60,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,369.08 : 218,057.72 = 40,188.04 : x
  2. Step 2: Convert to fraction form
    145,369.08/218,057.72 = 40,188.04/x
  3. Step 3: Cross multiply
    145,369.08x = 218,057.72 × 40,188.04
  4. Step 4: Simplify right side
    145,369.08x = 8,763,311,627.58
  5. Step 5: Solve for x
    x = 8,763,311,627.58/145,369.08
  6. Step 6: Final answer
    x = 60,283.19

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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.