Home / 138,883.92-208,333.09-44,121.51

Finding the Fourth Proportional to 138,883.92, 208,333.09 and 44,121.51

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Solution

The fourth proportional to 138,883.92, 208,333.09 and 44,121.51 is: 66,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,883.92 : 208,333.09 = 44,121.51 : x
  2. Step 2: Convert to fraction form
    138,883.92/208,333.09 = 44,121.51/x
  3. Step 3: Cross multiply
    138,883.92x = 208,333.09 × 44,121.51
  4. Step 4: Simplify right side
    138,883.92x = 9,191,970,444.83
  5. Step 5: Solve for x
    x = 9,191,970,444.83/138,883.92
  6. Step 6: Final answer
    x = 66,184.56

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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.