Home / 137,869.09-206,833.10-47,914.74

Finding the Fourth Proportional to 137,869.09, 206,833.10 and 47,914.74

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Solution

The fourth proportional to 137,869.09, 206,833.10 and 47,914.74 is: 71,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,869.09 : 206,833.10 = 47,914.74 : x
  2. Step 2: Convert to fraction form
    137,869.09/206,833.10 = 47,914.74/x
  3. Step 3: Cross multiply
    137,869.09x = 206,833.10 × 47,914.74
  4. Step 4: Simplify right side
    137,869.09x = 9,910,353,970.32
  5. Step 5: Solve for x
    x = 9,910,353,970.32/137,869.09
  6. Step 6: Final answer
    x = 71,882.35

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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.