Home / 131,680.06-197,630.70-56,856.76

Finding the Fourth Proportional to 131,680.06, 197,630.70 and 56,856.76

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Solution

The fourth proportional to 131,680.06, 197,630.70 and 56,856.76 is: 85,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,680.06 : 197,630.70 = 56,856.76 : x
  2. Step 2: Convert to fraction form
    131,680.06/197,630.70 = 56,856.76/x
  3. Step 3: Cross multiply
    131,680.06x = 197,630.70 × 56,856.76
  4. Step 4: Simplify right side
    131,680.06x = 11,236,641,278.53
  5. Step 5: Solve for x
    x = 11,236,641,278.53/131,680.06
  6. Step 6: Final answer
    x = 85,332.90

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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.