Home / 242,535.44-334,704.76-135,107.20

Finding the Fourth Proportional to 242,535.44, 334,704.76 and 135,107.20

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Solution

The fourth proportional to 242,535.44, 334,704.76 and 135,107.20 is: 186,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,535.44 : 334,704.76 = 135,107.20 : x
  2. Step 2: Convert to fraction form
    242,535.44/334,704.76 = 135,107.20/x
  3. Step 3: Cross multiply
    242,535.44x = 334,704.76 × 135,107.20
  4. Step 4: Simplify right side
    242,535.44x = 45,221,022,950.27
  5. Step 5: Solve for x
    x = 45,221,022,950.27/242,535.44
  6. Step 6: Final answer
    x = 186,451.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.