Home / 136,162.08-204,248.59-47,424.56

Finding the Fourth Proportional to 136,162.08, 204,248.59 and 47,424.56

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Solution

The fourth proportional to 136,162.08, 204,248.59 and 47,424.56 is: 71,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,162.08 : 204,248.59 = 47,424.56 : x
  2. Step 2: Convert to fraction form
    136,162.08/204,248.59 = 47,424.56/x
  3. Step 3: Cross multiply
    136,162.08x = 204,248.59 × 47,424.56
  4. Step 4: Simplify right side
    136,162.08x = 9,686,398,371.57
  5. Step 5: Solve for x
    x = 9,686,398,371.57/136,162.08
  6. Step 6: Final answer
    x = 71,138.74

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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.