Home / 242,794.20-335,057.40-135,370.92

Finding the Fourth Proportional to 242,794.20, 335,057.40 and 135,370.92

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Solution

The fourth proportional to 242,794.20, 335,057.40 and 135,370.92 is: 186,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,794.20 : 335,057.40 = 135,370.92 : x
  2. Step 2: Convert to fraction form
    242,794.20/335,057.40 = 135,370.92/x
  3. Step 3: Cross multiply
    242,794.20x = 335,057.40 × 135,370.92
  4. Step 4: Simplify right side
    242,794.20x = 45,357,028,490.81
  5. Step 5: Solve for x
    x = 45,357,028,490.81/242,794.20
  6. Step 6: Final answer
    x = 186,812.65

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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.