Home / 152,995.70-229,414.34-68,683.28

Finding the Fourth Proportional to 152,995.70, 229,414.34 and 68,683.28

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Solution

The fourth proportional to 152,995.70, 229,414.34 and 68,683.28 is: 102,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,995.70 : 229,414.34 = 68,683.28 : x
  2. Step 2: Convert to fraction form
    152,995.70/229,414.34 = 68,683.28/x
  3. Step 3: Cross multiply
    152,995.70x = 229,414.34 × 68,683.28
  4. Step 4: Simplify right side
    152,995.70x = 15,756,928,374.87
  5. Step 5: Solve for x
    x = 15,756,928,374.87/152,995.70
  6. Step 6: Final answer
    x = 102,989.35

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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.