Home / 131,350.34-196,935.52-47,108.70

Finding the Fourth Proportional to 131,350.34, 196,935.52 and 47,108.70

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Solution

The fourth proportional to 131,350.34, 196,935.52 and 47,108.70 is: 70,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,350.34 : 196,935.52 = 47,108.70 : x
  2. Step 2: Convert to fraction form
    131,350.34/196,935.52 = 47,108.70/x
  3. Step 3: Cross multiply
    131,350.34x = 196,935.52 × 47,108.70
  4. Step 4: Simplify right side
    131,350.34x = 9,277,376,331.02
  5. Step 5: Solve for x
    x = 9,277,376,331.02/131,350.34
  6. Step 6: Final answer
    x = 70,630.78

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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.