Home / 147,040.90-220,652.07-68,140.42

Finding the Fourth Proportional to 147,040.90, 220,652.07 and 68,140.42

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Solution

The fourth proportional to 147,040.90, 220,652.07 and 68,140.42 is: 102,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,040.90 : 220,652.07 = 68,140.42 : x
  2. Step 2: Convert to fraction form
    147,040.90/220,652.07 = 68,140.42/x
  3. Step 3: Cross multiply
    147,040.90x = 220,652.07 × 68,140.42
  4. Step 4: Simplify right side
    147,040.90x = 15,035,324,723.67
  5. Step 5: Solve for x
    x = 15,035,324,723.67/147,040.90
  6. Step 6: Final answer
    x = 102,252.67

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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.