Home / 131,731.43-197,596.85-101,789.21

Finding the Fourth Proportional to 131,731.43, 197,596.85 and 101,789.21

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Solution

The fourth proportional to 131,731.43, 197,596.85 and 101,789.21 is: 152,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,731.43 : 197,596.85 = 101,789.21 : x
  2. Step 2: Convert to fraction form
    131,731.43/197,596.85 = 101,789.21/x
  3. Step 3: Cross multiply
    131,731.43x = 197,596.85 × 101,789.21
  4. Step 4: Simplify right side
    131,731.43x = 20,113,225,763.06
  5. Step 5: Solve for x
    x = 20,113,225,763.06/131,731.43
  6. Step 6: Final answer
    x = 152,683.58

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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.