Home / 119,253.72-164,550.78-68,943

Finding the Fourth Proportional to 119,253.72, 164,550.78 and 68,943

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Solution

The fourth proportional to 119,253.72, 164,550.78 and 68,943 is: 95,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,253.72 : 164,550.78 = 68,943 : x
  2. Step 2: Convert to fraction form
    119,253.72/164,550.78 = 68,943/x
  3. Step 3: Cross multiply
    119,253.72x = 164,550.78 × 68,943
  4. Step 4: Simplify right side
    119,253.72x = 11,344,624,425.54
  5. Step 5: Solve for x
    x = 11,344,624,425.54/119,253.72
  6. Step 6: Final answer
    x = 95,130.15

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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.