Home / 206,734.39-310,123.02-56,974.70

Finding the Fourth Proportional to 206,734.39, 310,123.02 and 56,974.70

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Solution

The fourth proportional to 206,734.39, 310,123.02 and 56,974.70 is: 85,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,734.39 : 310,123.02 = 56,974.70 : x
  2. Step 2: Convert to fraction form
    206,734.39/310,123.02 = 56,974.70/x
  3. Step 3: Cross multiply
    206,734.39x = 310,123.02 × 56,974.70
  4. Step 4: Simplify right side
    206,734.39x = 17,669,166,027.59
  5. Step 5: Solve for x
    x = 17,669,166,027.59/206,734.39
  6. Step 6: Final answer
    x = 85,467.96

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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.