Home / 156,956.78-235,429.97-68,210.38

Finding the Fourth Proportional to 156,956.78, 235,429.97 and 68,210.38

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Solution

The fourth proportional to 156,956.78, 235,429.97 and 68,210.38 is: 102,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.78 : 235,429.97 = 68,210.38 : x
  2. Step 2: Convert to fraction form
    156,956.78/235,429.97 = 68,210.38/x
  3. Step 3: Cross multiply
    156,956.78x = 235,429.97 × 68,210.38
  4. Step 4: Simplify right side
    156,956.78x = 16,058,766,787.46
  5. Step 5: Solve for x
    x = 16,058,766,787.46/156,956.78
  6. Step 6: Final answer
    x = 102,313.30

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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.