Home / 145,415.16-218,082.42-40,226.04

Finding the Fourth Proportional to 145,415.16, 218,082.42 and 40,226.04

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Solution

The fourth proportional to 145,415.16, 218,082.42 and 40,226.04 is: 60,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,415.16 : 218,082.42 = 40,226.04 : x
  2. Step 2: Convert to fraction form
    145,415.16/218,082.42 = 40,226.04/x
  3. Step 3: Cross multiply
    145,415.16x = 218,082.42 × 40,226.04
  4. Step 4: Simplify right side
    145,415.16x = 8,772,592,150.22
  5. Step 5: Solve for x
    x = 8,772,592,150.22/145,415.16
  6. Step 6: Final answer
    x = 60,327.91

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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.