Home / 145,809.20-218,195.40-101,226.80

Finding the Fourth Proportional to 145,809.20, 218,195.40 and 101,226.80

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Solution

The fourth proportional to 145,809.20, 218,195.40 and 101,226.80 is: 151,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,809.20 : 218,195.40 = 101,226.80 : x
  2. Step 2: Convert to fraction form
    145,809.20/218,195.40 = 101,226.80/x
  3. Step 3: Cross multiply
    145,809.20x = 218,195.40 × 101,226.80
  4. Step 4: Simplify right side
    145,809.20x = 22,087,222,116.72
  5. Step 5: Solve for x
    x = 22,087,222,116.72/145,809.20
  6. Step 6: Final answer
    x = 151,480.31

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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.