Home / 83,735.56-126,179.35-69,270.04

Finding the Fourth Proportional to 83,735.56, 126,179.35 and 69,270.04

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Solution

The fourth proportional to 83,735.56, 126,179.35 and 69,270.04 is: 104,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.56 : 126,179.35 = 69,270.04 : x
  2. Step 2: Convert to fraction form
    83,735.56/126,179.35 = 69,270.04/x
  3. Step 3: Cross multiply
    83,735.56x = 126,179.35 × 69,270.04
  4. Step 4: Simplify right side
    83,735.56x = 8,740,448,621.67
  5. Step 5: Solve for x
    x = 8,740,448,621.67/83,735.56
  6. Step 6: Final answer
    x = 104,381.56

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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.