Home / 242,876.08-335,157.78-135,440.92

Finding the Fourth Proportional to 242,876.08, 335,157.78 and 135,440.92

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Solution

The fourth proportional to 242,876.08, 335,157.78 and 135,440.92 is: 186,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,876.08 : 335,157.78 = 135,440.92 : x
  2. Step 2: Convert to fraction form
    242,876.08/335,157.78 = 135,440.92/x
  3. Step 3: Cross multiply
    242,876.08x = 335,157.78 × 135,440.92
  4. Step 4: Simplify right side
    242,876.08x = 45,394,078,068.36
  5. Step 5: Solve for x
    x = 45,394,078,068.36/242,876.08
  6. Step 6: Final answer
    x = 186,902.22

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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.