Home / 119,278.78-164,614.07-68,307.50

Finding the Fourth Proportional to 119,278.78, 164,614.07 and 68,307.50

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Solution

The fourth proportional to 119,278.78, 164,614.07 and 68,307.50 is: 94,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.78 : 164,614.07 = 68,307.50 : x
  2. Step 2: Convert to fraction form
    119,278.78/164,614.07 = 68,307.50/x
  3. Step 3: Cross multiply
    119,278.78x = 164,614.07 × 68,307.50
  4. Step 4: Simplify right side
    119,278.78x = 11,244,376,168.83
  5. Step 5: Solve for x
    x = 11,244,376,168.83/119,278.78
  6. Step 6: Final answer
    x = 94,269.71

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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.