Home / 131,815.65-197,682.55-47,564.88

Finding the Fourth Proportional to 131,815.65, 197,682.55 and 47,564.88

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Solution

The fourth proportional to 131,815.65, 197,682.55 and 47,564.88 is: 71,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.65 : 197,682.55 = 47,564.88 : x
  2. Step 2: Convert to fraction form
    131,815.65/197,682.55 = 47,564.88/x
  3. Step 3: Cross multiply
    131,815.65x = 197,682.55 × 47,564.88
  4. Step 4: Simplify right side
    131,815.65x = 9,402,746,768.84
  5. Step 5: Solve for x
    x = 9,402,746,768.84/131,815.65
  6. Step 6: Final answer
    x = 71,332.55

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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.