Home / 145,330.66-217,993.83-40,147.30

Finding the Fourth Proportional to 145,330.66, 217,993.83 and 40,147.30

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Solution

The fourth proportional to 145,330.66, 217,993.83 and 40,147.30 is: 60,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,330.66 : 217,993.83 = 40,147.30 : x
  2. Step 2: Convert to fraction form
    145,330.66/217,993.83 = 40,147.30/x
  3. Step 3: Cross multiply
    145,330.66x = 217,993.83 × 40,147.30
  4. Step 4: Simplify right side
    145,330.66x = 8,751,863,691.16
  5. Step 5: Solve for x
    x = 8,751,863,691.16/145,330.66
  6. Step 6: Final answer
    x = 60,220.35

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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.