Home / 242,847.06-335,130.41-135,423.90

Finding the Fourth Proportional to 242,847.06, 335,130.41 and 135,423.90

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Solution

The fourth proportional to 242,847.06, 335,130.41 and 135,423.90 is: 186,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,847.06 : 335,130.41 = 135,423.90 : x
  2. Step 2: Convert to fraction form
    242,847.06/335,130.41 = 135,423.90/x
  3. Step 3: Cross multiply
    242,847.06x = 335,130.41 × 135,423.90
  4. Step 4: Simplify right side
    242,847.06x = 45,384,667,469.36
  5. Step 5: Solve for x
    x = 45,384,667,469.36/242,847.06
  6. Step 6: Final answer
    x = 186,885.80

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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.