Home / 147,119.90-220,507.05-68,067.14

Finding the Fourth Proportional to 147,119.90, 220,507.05 and 68,067.14

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Solution

The fourth proportional to 147,119.90, 220,507.05 and 68,067.14 is: 102,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,119.90 : 220,507.05 = 68,067.14 : x
  2. Step 2: Convert to fraction form
    147,119.90/220,507.05 = 68,067.14/x
  3. Step 3: Cross multiply
    147,119.90x = 220,507.05 × 68,067.14
  4. Step 4: Simplify right side
    147,119.90x = 15,009,284,243.34
  5. Step 5: Solve for x
    x = 15,009,284,243.34/147,119.90
  6. Step 6: Final answer
    x = 102,020.76

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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.