Home / 126,997.10-175,258.01-69,641.64

Finding the Fourth Proportional to 126,997.10, 175,258.01 and 69,641.64

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Solution

The fourth proportional to 126,997.10, 175,258.01 and 69,641.64 is: 96,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,997.10 : 175,258.01 = 69,641.64 : x
  2. Step 2: Convert to fraction form
    126,997.10/175,258.01 = 69,641.64/x
  3. Step 3: Cross multiply
    126,997.10x = 175,258.01 × 69,641.64
  4. Step 4: Simplify right side
    126,997.10x = 12,205,255,413.64
  5. Step 5: Solve for x
    x = 12,205,255,413.64/126,997.10
  6. Step 6: Final answer
    x = 96,106.57

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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.