Home / 242,923.26-335,234.68-135,500.25

Finding the Fourth Proportional to 242,923.26, 335,234.68 and 135,500.25

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Solution

The fourth proportional to 242,923.26, 335,234.68 and 135,500.25 is: 186,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.26 : 335,234.68 = 135,500.25 : x
  2. Step 2: Convert to fraction form
    242,923.26/335,234.68 = 135,500.25/x
  3. Step 3: Cross multiply
    242,923.26x = 335,234.68 × 135,500.25
  4. Step 4: Simplify right side
    242,923.26x = 45,424,382,948.67
  5. Step 5: Solve for x
    x = 45,424,382,948.67/242,923.26
  6. Step 6: Final answer
    x = 186,990.67

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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.