Home / 222,389.50-333,618.81-74,680.06

Finding the Fourth Proportional to 222,389.50, 333,618.81 and 74,680.06

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Solution

The fourth proportional to 222,389.50, 333,618.81 and 74,680.06 is: 112,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,389.50 : 333,618.81 = 74,680.06 : x
  2. Step 2: Convert to fraction form
    222,389.50/333,618.81 = 74,680.06/x
  3. Step 3: Cross multiply
    222,389.50x = 333,618.81 × 74,680.06
  4. Step 4: Simplify right side
    222,389.50x = 24,914,672,747.93
  5. Step 5: Solve for x
    x = 24,914,672,747.93/222,389.50
  6. Step 6: Final answer
    x = 112,031.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.