Home / 179,781.32-248,022.74-126,101.40

Finding the Fourth Proportional to 179,781.32, 248,022.74 and 126,101.40

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Solution

The fourth proportional to 179,781.32, 248,022.74 and 126,101.40 is: 173,966.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,781.32 : 248,022.74 = 126,101.40 : x
  2. Step 2: Convert to fraction form
    179,781.32/248,022.74 = 126,101.40/x
  3. Step 3: Cross multiply
    179,781.32x = 248,022.74 × 126,101.40
  4. Step 4: Simplify right side
    179,781.32x = 31,276,014,115.33
  5. Step 5: Solve for x
    x = 31,276,014,115.33/179,781.32
  6. Step 6: Final answer
    x = 173,966.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.