Home / 130,964.42-196,359.14-40,976.66

Finding the Fourth Proportional to 130,964.42, 196,359.14 and 40,976.66

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Solution

The fourth proportional to 130,964.42, 196,359.14 and 40,976.66 is: 61,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,964.42 : 196,359.14 = 40,976.66 : x
  2. Step 2: Convert to fraction form
    130,964.42/196,359.14 = 40,976.66/x
  3. Step 3: Cross multiply
    130,964.42x = 196,359.14 × 40,976.66
  4. Step 4: Simplify right side
    130,964.42x = 8,046,141,717.67
  5. Step 5: Solve for x
    x = 8,046,141,717.67/130,964.42
  6. Step 6: Final answer
    x = 61,437.62

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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.