Home / 179,116.80-268,739.79-90,303.42

Finding the Fourth Proportional to 179,116.80, 268,739.79 and 90,303.42

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Solution

The fourth proportional to 179,116.80, 268,739.79 and 90,303.42 is: 135,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,116.80 : 268,739.79 = 90,303.42 : x
  2. Step 2: Convert to fraction form
    179,116.80/268,739.79 = 90,303.42/x
  3. Step 3: Cross multiply
    179,116.80x = 268,739.79 × 90,303.42
  4. Step 4: Simplify right side
    179,116.80x = 24,268,123,304.17
  5. Step 5: Solve for x
    x = 24,268,123,304.17/179,116.80
  6. Step 6: Final answer
    x = 135,487.70

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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.