Home / 98,005.38-135,104.27-69,274.35

Finding the Fourth Proportional to 98,005.38, 135,104.27 and 69,274.35

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Solution

The fourth proportional to 98,005.38, 135,104.27 and 69,274.35 is: 95,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,005.38 : 135,104.27 = 69,274.35 : x
  2. Step 2: Convert to fraction form
    98,005.38/135,104.27 = 69,274.35/x
  3. Step 3: Cross multiply
    98,005.38x = 135,104.27 × 69,274.35
  4. Step 4: Simplify right side
    98,005.38x = 9,359,260,140.10
  5. Step 5: Solve for x
    x = 9,359,260,140.10/98,005.38
  6. Step 6: Final answer
    x = 95,497.41

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1.5x scale

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.