Home / 179,634.92-247,896.08-103,159.02

Finding the Fourth Proportional to 179,634.92, 247,896.08 and 103,159.02

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Solution

The fourth proportional to 179,634.92, 247,896.08 and 103,159.02 is: 142,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,634.92 : 247,896.08 = 103,159.02 : x
  2. Step 2: Convert to fraction form
    179,634.92/247,896.08 = 103,159.02/x
  3. Step 3: Cross multiply
    179,634.92x = 247,896.08 × 103,159.02
  4. Step 4: Simplify right side
    179,634.92x = 25,572,716,674.64
  5. Step 5: Solve for x
    x = 25,572,716,674.64/179,634.92
  6. Step 6: Final answer
    x = 142,359.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.