Home / 273,151.04-409,739.60-132,742.40

Finding the Fourth Proportional to 273,151.04, 409,739.60 and 132,742.40

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Solution

The fourth proportional to 273,151.04, 409,739.60 and 132,742.40 is: 199,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,151.04 : 409,739.60 = 132,742.40 : x
  2. Step 2: Convert to fraction form
    273,151.04/409,739.60 = 132,742.40/x
  3. Step 3: Cross multiply
    273,151.04x = 409,739.60 × 132,742.40
  4. Step 4: Simplify right side
    273,151.04x = 54,389,817,879.04
  5. Step 5: Solve for x
    x = 54,389,817,879.04/273,151.04
  6. Step 6: Final answer
    x = 199,119.94

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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.