Home / 145,846.20-218,769.30-123,976.20

Finding the Fourth Proportional to 145,846.20, 218,769.30 and 123,976.20

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Solution

The fourth proportional to 145,846.20, 218,769.30 and 123,976.20 is: 185,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,846.20 : 218,769.30 = 123,976.20 : x
  2. Step 2: Convert to fraction form
    145,846.20/218,769.30 = 123,976.20/x
  3. Step 3: Cross multiply
    145,846.20x = 218,769.30 × 123,976.20
  4. Step 4: Simplify right side
    145,846.20x = 27,122,186,490.66
  5. Step 5: Solve for x
    x = 27,122,186,490.66/145,846.20
  6. Step 6: Final answer
    x = 185,964.30

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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.