Home / 145,338.96-218,012.54-40,157.94

Finding the Fourth Proportional to 145,338.96, 218,012.54 and 40,157.94

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Solution

The fourth proportional to 145,338.96, 218,012.54 and 40,157.94 is: 60,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,338.96 : 218,012.54 = 40,157.94 : x
  2. Step 2: Convert to fraction form
    145,338.96/218,012.54 = 40,157.94/x
  3. Step 3: Cross multiply
    145,338.96x = 218,012.54 × 40,157.94
  4. Step 4: Simplify right side
    145,338.96x = 8,754,934,500.57
  5. Step 5: Solve for x
    x = 8,754,934,500.57/145,338.96
  6. Step 6: Final answer
    x = 60,238.04

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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.