Home / 145,331.76-217,973.04-40,151.04

Finding the Fourth Proportional to 145,331.76, 217,973.04 and 40,151.04

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Solution

The fourth proportional to 145,331.76, 217,973.04 and 40,151.04 is: 60,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,331.76 : 217,973.04 = 40,151.04 : x
  2. Step 2: Convert to fraction form
    145,331.76/217,973.04 = 40,151.04/x
  3. Step 3: Cross multiply
    145,331.76x = 217,973.04 × 40,151.04
  4. Step 4: Simplify right side
    145,331.76x = 8,751,844,247.96
  5. Step 5: Solve for x
    x = 8,751,844,247.96/145,331.76
  6. Step 6: Final answer
    x = 60,219.76

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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.