Home / 145,433.88-218,150.69-40,252.82

Finding the Fourth Proportional to 145,433.88, 218,150.69 and 40,252.82

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Solution

The fourth proportional to 145,433.88, 218,150.69 and 40,252.82 is: 60,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,433.88 : 218,150.69 = 40,252.82 : x
  2. Step 2: Convert to fraction form
    145,433.88/218,150.69 = 40,252.82/x
  3. Step 3: Cross multiply
    145,433.88x = 218,150.69 × 40,252.82
  4. Step 4: Simplify right side
    145,433.88x = 8,781,179,165.43
  5. Step 5: Solve for x
    x = 8,781,179,165.43/145,433.88
  6. Step 6: Final answer
    x = 60,379.19

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1.5x scale

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.