Home / 146,856.96-202,665.60-79,793.28

Finding the Fourth Proportional to 146,856.96, 202,665.60 and 79,793.28

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Solution

The fourth proportional to 146,856.96, 202,665.60 and 79,793.28 is: 110,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,856.96 : 202,665.60 = 79,793.28 : x
  2. Step 2: Convert to fraction form
    146,856.96/202,665.60 = 79,793.28/x
  3. Step 3: Cross multiply
    146,856.96x = 202,665.60 × 79,793.28
  4. Step 4: Simplify right side
    146,856.96x = 16,171,352,967.17
  5. Step 5: Solve for x
    x = 16,171,352,967.17/146,856.96
  6. Step 6: Final answer
    x = 110,116.35

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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.