Home / 145,260.66-217,903.56-40,079.62

Finding the Fourth Proportional to 145,260.66, 217,903.56 and 40,079.62

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Solution

The fourth proportional to 145,260.66, 217,903.56 and 40,079.62 is: 60,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,260.66 : 217,903.56 = 40,079.62 : x
  2. Step 2: Convert to fraction form
    145,260.66/217,903.56 = 40,079.62/x
  3. Step 3: Cross multiply
    145,260.66x = 217,903.56 × 40,079.62
  4. Step 4: Simplify right side
    145,260.66x = 8,733,491,186.39
  5. Step 5: Solve for x
    x = 8,733,491,186.39/145,260.66
  6. Step 6: Final answer
    x = 60,122.89

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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.