Home / 119,384.13-164,738.30-68,387.07

Finding the Fourth Proportional to 119,384.13, 164,738.30 and 68,387.07

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Solution

The fourth proportional to 119,384.13, 164,738.30 and 68,387.07 is: 94,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,384.13 : 164,738.30 = 68,387.07 : x
  2. Step 2: Convert to fraction form
    119,384.13/164,738.30 = 68,387.07/x
  3. Step 3: Cross multiply
    119,384.13x = 164,738.30 × 68,387.07
  4. Step 4: Simplify right side
    119,384.13x = 11,265,969,311.85
  5. Step 5: Solve for x
    x = 11,265,969,311.85/119,384.13
  6. Step 6: Final answer
    x = 94,367.39

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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.