Home / 153,211.05-229,814.37-68,911.41

Finding the Fourth Proportional to 153,211.05, 229,814.37 and 68,911.41

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Solution

The fourth proportional to 153,211.05, 229,814.37 and 68,911.41 is: 103,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,211.05 : 229,814.37 = 68,911.41 : x
  2. Step 2: Convert to fraction form
    153,211.05/229,814.37 = 68,911.41/x
  3. Step 3: Cross multiply
    153,211.05x = 229,814.37 × 68,911.41
  4. Step 4: Simplify right side
    153,211.05x = 15,836,832,274.96
  5. Step 5: Solve for x
    x = 15,836,832,274.96/153,211.05
  6. Step 6: Final answer
    x = 103,366.12

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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.