Home / 179,974.71-248,366.97-99,404.28

Finding the Fourth Proportional to 179,974.71, 248,366.97 and 99,404.28

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Solution

The fourth proportional to 179,974.71, 248,366.97 and 99,404.28 is: 137,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,974.71 : 248,366.97 = 99,404.28 : x
  2. Step 2: Convert to fraction form
    179,974.71/248,366.97 = 99,404.28/x
  3. Step 3: Cross multiply
    179,974.71x = 248,366.97 × 99,404.28
  4. Step 4: Simplify right side
    179,974.71x = 24,688,739,828.63
  5. Step 5: Solve for x
    x = 24,688,739,828.63/179,974.71
  6. Step 6: Final answer
    x = 137,178.94

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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.