Home / 138,273.57-207,478.13-49,533.93

Finding the Fourth Proportional to 138,273.57, 207,478.13 and 49,533.93

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Solution

The fourth proportional to 138,273.57, 207,478.13 and 49,533.93 is: 74,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,273.57 : 207,478.13 = 49,533.93 : x
  2. Step 2: Convert to fraction form
    138,273.57/207,478.13 = 49,533.93/x
  3. Step 3: Cross multiply
    138,273.57x = 207,478.13 × 49,533.93
  4. Step 4: Simplify right side
    138,273.57x = 10,277,206,920.28
  5. Step 5: Solve for x
    x = 10,277,206,920.28/138,273.57
  6. Step 6: Final answer
    x = 74,325.17

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1.5x scale

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.