Home / 131,962.88-197,902.51-47,711.89

Finding the Fourth Proportional to 131,962.88, 197,902.51 and 47,711.89

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Solution

The fourth proportional to 131,962.88, 197,902.51 and 47,711.89 is: 71,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,962.88 : 197,902.51 = 47,711.89 : x
  2. Step 2: Convert to fraction form
    131,962.88/197,902.51 = 47,711.89/x
  3. Step 3: Cross multiply
    131,962.88x = 197,902.51 × 47,711.89
  4. Step 4: Simplify right side
    131,962.88x = 9,442,303,184.32
  5. Step 5: Solve for x
    x = 9,442,303,184.32/131,962.88
  6. Step 6: Final answer
    x = 71,552.72

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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.