Home / 103,238.97-154,856.63-28,358.82

Finding the Fourth Proportional to 103,238.97, 154,856.63 and 28,358.82

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Solution

The fourth proportional to 103,238.97, 154,856.63 and 28,358.82 is: 42,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,238.97 : 154,856.63 = 28,358.82 : x
  2. Step 2: Convert to fraction form
    103,238.97/154,856.63 = 28,358.82/x
  3. Step 3: Cross multiply
    103,238.97x = 154,856.63 × 28,358.82
  4. Step 4: Simplify right side
    103,238.97x = 4,391,551,154.18
  5. Step 5: Solve for x
    x = 4,391,551,154.18/103,238.97
  6. Step 6: Final answer
    x = 42,537.73

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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.