Home / 131,886.24-197,854.80-43,115.76

Finding the Fourth Proportional to 131,886.24, 197,854.80 and 43,115.76

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Solution

The fourth proportional to 131,886.24, 197,854.80 and 43,115.76 is: 64,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,886.24 : 197,854.80 = 43,115.76 : x
  2. Step 2: Convert to fraction form
    131,886.24/197,854.80 = 43,115.76/x
  3. Step 3: Cross multiply
    131,886.24x = 197,854.80 × 43,115.76
  4. Step 4: Simplify right side
    131,886.24x = 8,530,660,071.65
  5. Step 5: Solve for x
    x = 8,530,660,071.65/131,886.24
  6. Step 6: Final answer
    x = 64,681.96

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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.