Home / 131,641.38-197,478.58-42,871.04

Finding the Fourth Proportional to 131,641.38, 197,478.58 and 42,871.04

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Solution

The fourth proportional to 131,641.38, 197,478.58 and 42,871.04 is: 64,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,641.38 : 197,478.58 = 42,871.04 : x
  2. Step 2: Convert to fraction form
    131,641.38/197,478.58 = 42,871.04/x
  3. Step 3: Cross multiply
    131,641.38x = 197,478.58 × 42,871.04
  4. Step 4: Simplify right side
    131,641.38x = 8,466,112,102.32
  5. Step 5: Solve for x
    x = 8,466,112,102.32/131,641.38
  6. Step 6: Final answer
    x = 64,311.94

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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.