Home / 173,729.20-239,752.16-102,108.20

Finding the Fourth Proportional to 173,729.20, 239,752.16 and 102,108.20

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Solution

The fourth proportional to 173,729.20, 239,752.16 and 102,108.20 is: 140,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,729.20 : 239,752.16 = 102,108.20 : x
  2. Step 2: Convert to fraction form
    173,729.20/239,752.16 = 102,108.20/x
  3. Step 3: Cross multiply
    173,729.20x = 239,752.16 × 102,108.20
  4. Step 4: Simplify right side
    173,729.20x = 24,480,661,503.71
  5. Step 5: Solve for x
    x = 24,480,661,503.71/173,729.20
  6. Step 6: Final answer
    x = 140,912.76

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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.