Home / 134,091.56-202,078.86-120,781.23

Finding the Fourth Proportional to 134,091.56, 202,078.86 and 120,781.23

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Solution

The fourth proportional to 134,091.56, 202,078.86 and 120,781.23 is: 182,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,091.56 : 202,078.86 = 120,781.23 : x
  2. Step 2: Convert to fraction form
    134,091.56/202,078.86 = 120,781.23/x
  3. Step 3: Cross multiply
    134,091.56x = 202,078.86 × 120,781.23
  4. Step 4: Simplify right side
    134,091.56x = 24,407,333,267.80
  5. Step 5: Solve for x
    x = 24,407,333,267.80/134,091.56
  6. Step 6: Final answer
    x = 182,019.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.