Home / 149,016.91-205,719.50-114,948.92

Finding the Fourth Proportional to 149,016.91, 205,719.50 and 114,948.92

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Solution

The fourth proportional to 149,016.91, 205,719.50 and 114,948.92 is: 158,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,016.91 : 205,719.50 = 114,948.92 : x
  2. Step 2: Convert to fraction form
    149,016.91/205,719.50 = 114,948.92/x
  3. Step 3: Cross multiply
    149,016.91x = 205,719.50 × 114,948.92
  4. Step 4: Simplify right side
    149,016.91x = 23,647,232,744.60
  5. Step 5: Solve for x
    x = 23,647,232,744.60/149,016.91
  6. Step 6: Final answer
    x = 158,688.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.