Home / 146,822.10-220,233.15-76,692.30

Finding the Fourth Proportional to 146,822.10, 220,233.15 and 76,692.30

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Solution

The fourth proportional to 146,822.10, 220,233.15 and 76,692.30 is: 115,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.10 : 220,233.15 = 76,692.30 : x
  2. Step 2: Convert to fraction form
    146,822.10/220,233.15 = 76,692.30/x
  3. Step 3: Cross multiply
    146,822.10x = 220,233.15 × 76,692.30
  4. Step 4: Simplify right side
    146,822.10x = 16,890,186,809.75
  5. Step 5: Solve for x
    x = 16,890,186,809.75/146,822.10
  6. Step 6: Final answer
    x = 115,038.45

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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.