Home / 173,863.20-239,988.24-102,239.76

Finding the Fourth Proportional to 173,863.20, 239,988.24 and 102,239.76

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Solution

The fourth proportional to 173,863.20, 239,988.24 and 102,239.76 is: 141,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,863.20 : 239,988.24 = 102,239.76 : x
  2. Step 2: Convert to fraction form
    173,863.20/239,988.24 = 102,239.76/x
  3. Step 3: Cross multiply
    173,863.20x = 239,988.24 × 102,239.76
  4. Step 4: Simplify right side
    173,863.20x = 24,536,340,060.42
  5. Step 5: Solve for x
    x = 24,536,340,060.42/173,863.20
  6. Step 6: Final answer
    x = 141,124.40

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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.