Home / 137,919.56-206,875.20-38,085.84

Finding the Fourth Proportional to 137,919.56, 206,875.20 and 38,085.84

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Solution

The fourth proportional to 137,919.56, 206,875.20 and 38,085.84 is: 57,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,919.56 : 206,875.20 = 38,085.84 : x
  2. Step 2: Convert to fraction form
    137,919.56/206,875.20 = 38,085.84/x
  3. Step 3: Cross multiply
    137,919.56x = 206,875.20 × 38,085.84
  4. Step 4: Simplify right side
    137,919.56x = 7,879,015,767.17
  5. Step 5: Solve for x
    x = 7,879,015,767.17/137,919.56
  6. Step 6: Final answer
    x = 57,127.62

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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.