Home / 163,516.20-245,274.30-154,330.80

Finding the Fourth Proportional to 163,516.20, 245,274.30 and 154,330.80

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Solution

The fourth proportional to 163,516.20, 245,274.30 and 154,330.80 is: 231,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,516.20 : 245,274.30 = 154,330.80 : x
  2. Step 2: Convert to fraction form
    163,516.20/245,274.30 = 154,330.80/x
  3. Step 3: Cross multiply
    163,516.20x = 245,274.30 × 154,330.80
  4. Step 4: Simplify right side
    163,516.20x = 37,853,378,938.44
  5. Step 5: Solve for x
    x = 37,853,378,938.44/163,516.20
  6. Step 6: Final answer
    x = 231,496.20

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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.