Home / 145,255.49-217,895.79-40,074.46

Finding the Fourth Proportional to 145,255.49, 217,895.79 and 40,074.46

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Solution

The fourth proportional to 145,255.49, 217,895.79 and 40,074.46 is: 60,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,255.49 : 217,895.79 = 40,074.46 : x
  2. Step 2: Convert to fraction form
    145,255.49/217,895.79 = 40,074.46/x
  3. Step 3: Cross multiply
    145,255.49x = 217,895.79 × 40,074.46
  4. Step 4: Simplify right side
    145,255.49x = 8,732,055,500.64
  5. Step 5: Solve for x
    x = 8,732,055,500.64/145,255.49
  6. Step 6: Final answer
    x = 60,115.15

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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.