Home / 145,419.82-218,134.60-40,229.98

Finding the Fourth Proportional to 145,419.82, 218,134.60 and 40,229.98

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Solution

The fourth proportional to 145,419.82, 218,134.60 and 40,229.98 is: 60,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,419.82 : 218,134.60 = 40,229.98 : x
  2. Step 2: Convert to fraction form
    145,419.82/218,134.60 = 40,229.98/x
  3. Step 3: Cross multiply
    145,419.82x = 218,134.60 × 40,229.98
  4. Step 4: Simplify right side
    145,419.82x = 8,775,550,595.31
  5. Step 5: Solve for x
    x = 8,775,550,595.31/145,419.82
  6. Step 6: Final answer
    x = 60,346.32

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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.