Home / 138,195.54-207,332.19-49,461.66

Finding the Fourth Proportional to 138,195.54, 207,332.19 and 49,461.66

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Solution

The fourth proportional to 138,195.54, 207,332.19 and 49,461.66 is: 74,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,195.54 : 207,332.19 = 49,461.66 : x
  2. Step 2: Convert to fraction form
    138,195.54/207,332.19 = 49,461.66/x
  3. Step 3: Cross multiply
    138,195.54x = 207,332.19 × 49,461.66
  4. Step 4: Simplify right side
    138,195.54x = 10,254,994,288.84
  5. Step 5: Solve for x
    x = 10,254,994,288.84/138,195.54
  6. Step 6: Final answer
    x = 74,206.41

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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.