Home / 146,862.40-202,680.13-83,200.72

Finding the Fourth Proportional to 146,862.40, 202,680.13 and 83,200.72

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Solution

The fourth proportional to 146,862.40, 202,680.13 and 83,200.72 is: 114,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,862.40 : 202,680.13 = 83,200.72 : x
  2. Step 2: Convert to fraction form
    146,862.40/202,680.13 = 83,200.72/x
  3. Step 3: Cross multiply
    146,862.40x = 202,680.13 × 83,200.72
  4. Step 4: Simplify right side
    146,862.40x = 16,863,132,745.69
  5. Step 5: Solve for x
    x = 16,863,132,745.69/146,862.40
  6. Step 6: Final answer
    x = 114,822.67

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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.