Home / 145,348.45-217,998-40,167.72

Finding the Fourth Proportional to 145,348.45, 217,998 and 40,167.72

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Solution

The fourth proportional to 145,348.45, 217,998 and 40,167.72 is: 60,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,348.45 : 217,998 = 40,167.72 : x
  2. Step 2: Convert to fraction form
    145,348.45/217,998 = 40,167.72/x
  3. Step 3: Cross multiply
    145,348.45x = 217,998 × 40,167.72
  4. Step 4: Simplify right side
    145,348.45x = 8,756,482,624.56
  5. Step 5: Solve for x
    x = 8,756,482,624.56/145,348.45
  6. Step 6: Final answer
    x = 60,244.76

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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.