Home / 138,841.36-208,262.12-44,081.64

Finding the Fourth Proportional to 138,841.36, 208,262.12 and 44,081.64

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Solution

The fourth proportional to 138,841.36, 208,262.12 and 44,081.64 is: 66,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,841.36 : 208,262.12 = 44,081.64 : x
  2. Step 2: Convert to fraction form
    138,841.36/208,262.12 = 44,081.64/x
  3. Step 3: Cross multiply
    138,841.36x = 208,262.12 × 44,081.64
  4. Step 4: Simplify right side
    138,841.36x = 9,180,535,579.07
  5. Step 5: Solve for x
    x = 9,180,535,579.07/138,841.36
  6. Step 6: Final answer
    x = 66,122.49

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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.