Home / 145,260.54-217,903.38-40,079.52

Finding the Fourth Proportional to 145,260.54, 217,903.38 and 40,079.52

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Solution

The fourth proportional to 145,260.54, 217,903.38 and 40,079.52 is: 60,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,260.54 : 217,903.38 = 40,079.52 : x
  2. Step 2: Convert to fraction form
    145,260.54/217,903.38 = 40,079.52/x
  3. Step 3: Cross multiply
    145,260.54x = 217,903.38 × 40,079.52
  4. Step 4: Simplify right side
    145,260.54x = 8,733,462,876.78
  5. Step 5: Solve for x
    x = 8,733,462,876.78/145,260.54
  6. Step 6: Final answer
    x = 60,122.75

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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.