Home / 138,056.38-207,084.33-38,216.29

Finding the Fourth Proportional to 138,056.38, 207,084.33 and 38,216.29

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Solution

The fourth proportional to 138,056.38, 207,084.33 and 38,216.29 is: 57,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,056.38 : 207,084.33 = 38,216.29 : x
  2. Step 2: Convert to fraction form
    138,056.38/207,084.33 = 38,216.29/x
  3. Step 3: Cross multiply
    138,056.38x = 207,084.33 × 38,216.29
  4. Step 4: Simplify right side
    138,056.38x = 7,913,994,809.74
  5. Step 5: Solve for x
    x = 7,913,994,809.74/138,056.38
  6. Step 6: Final answer
    x = 57,324.37

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1.5x scale

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.