Home / 84,659.74-126,993.66-69,841.18

Finding the Fourth Proportional to 84,659.74, 126,993.66 and 69,841.18

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Solution

The fourth proportional to 84,659.74, 126,993.66 and 69,841.18 is: 104,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,659.74 : 126,993.66 = 69,841.18 : x
  2. Step 2: Convert to fraction form
    84,659.74/126,993.66 = 69,841.18/x
  3. Step 3: Cross multiply
    84,659.74x = 126,993.66 × 69,841.18
  4. Step 4: Simplify right side
    84,659.74x = 8,869,387,066.92
  5. Step 5: Solve for x
    x = 8,869,387,066.92/84,659.74
  6. Step 6: Final answer
    x = 104,765.11

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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.