Home / 137,986.60-206,960.70-44,501.80

Finding the Fourth Proportional to 137,986.60, 206,960.70 and 44,501.80

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Solution

The fourth proportional to 137,986.60, 206,960.70 and 44,501.80 is: 66,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,986.60 : 206,960.70 = 44,501.80 : x
  2. Step 2: Convert to fraction form
    137,986.60/206,960.70 = 44,501.80/x
  3. Step 3: Cross multiply
    137,986.60x = 206,960.70 × 44,501.80
  4. Step 4: Simplify right side
    137,986.60x = 9,210,123,679.26
  5. Step 5: Solve for x
    x = 9,210,123,679.26/137,986.60
  6. Step 6: Final answer
    x = 66,746.51

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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.