Home / 136,217.28-204,449.52-69,703.36

Finding the Fourth Proportional to 136,217.28, 204,449.52 and 69,703.36

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Solution

The fourth proportional to 136,217.28, 204,449.52 and 69,703.36 is: 104,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,217.28 : 204,449.52 = 69,703.36 : x
  2. Step 2: Convert to fraction form
    136,217.28/204,449.52 = 69,703.36/x
  3. Step 3: Cross multiply
    136,217.28x = 204,449.52 × 69,703.36
  4. Step 4: Simplify right side
    136,217.28x = 14,250,818,494.39
  5. Step 5: Solve for x
    x = 14,250,818,494.39/136,217.28
  6. Step 6: Final answer
    x = 104,618.29

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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.