Home / 146,822.10-220,233.15-76,722.90

Finding the Fourth Proportional to 146,822.10, 220,233.15 and 76,722.90

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Solution

The fourth proportional to 146,822.10, 220,233.15 and 76,722.90 is: 115,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.10 : 220,233.15 = 76,722.90 : x
  2. Step 2: Convert to fraction form
    146,822.10/220,233.15 = 76,722.90/x
  3. Step 3: Cross multiply
    146,822.10x = 220,233.15 × 76,722.90
  4. Step 4: Simplify right side
    146,822.10x = 16,896,925,944.14
  5. Step 5: Solve for x
    x = 16,896,925,944.14/146,822.10
  6. Step 6: Final answer
    x = 115,084.35

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1.5x scale

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.