Home / 146,870.80-220,306.20-127,625.20

Finding the Fourth Proportional to 146,870.80, 220,306.20 and 127,625.20

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Solution

The fourth proportional to 146,870.80, 220,306.20 and 127,625.20 is: 191,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,870.80 : 220,306.20 = 127,625.20 : x
  2. Step 2: Convert to fraction form
    146,870.80/220,306.20 = 127,625.20/x
  3. Step 3: Cross multiply
    146,870.80x = 220,306.20 × 127,625.20
  4. Step 4: Simplify right side
    146,870.80x = 28,116,622,836.24
  5. Step 5: Solve for x
    x = 28,116,622,836.24/146,870.80
  6. Step 6: Final answer
    x = 191,437.80

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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.