Home / 173,867.20-239,993.76-102,243.76

Finding the Fourth Proportional to 173,867.20, 239,993.76 and 102,243.76

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Solution

The fourth proportional to 173,867.20, 239,993.76 and 102,243.76 is: 141,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,867.20 : 239,993.76 = 102,243.76 : x
  2. Step 2: Convert to fraction form
    173,867.20/239,993.76 = 102,243.76/x
  3. Step 3: Cross multiply
    173,867.20x = 239,993.76 × 102,243.76
  4. Step 4: Simplify right side
    173,867.20x = 24,537,864,398.94
  5. Step 5: Solve for x
    x = 24,537,864,398.94/173,867.20
  6. Step 6: Final answer
    x = 141,129.92

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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.