Home / 130,908.26-196,356.92-42,159.80

Finding the Fourth Proportional to 130,908.26, 196,356.92 and 42,159.80

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Solution

The fourth proportional to 130,908.26, 196,356.92 and 42,159.80 is: 63,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,908.26 : 196,356.92 = 42,159.80 : x
  2. Step 2: Convert to fraction form
    130,908.26/196,356.92 = 42,159.80/x
  3. Step 3: Cross multiply
    130,908.26x = 196,356.92 × 42,159.80
  4. Step 4: Simplify right side
    130,908.26x = 8,278,368,475.82
  5. Step 5: Solve for x
    x = 8,278,368,475.82/130,908.26
  6. Step 6: Final answer
    x = 63,237.94

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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.