Home / 242,669.92-334,911.60-135,249.76

Finding the Fourth Proportional to 242,669.92, 334,911.60 and 135,249.76

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Solution

The fourth proportional to 242,669.92, 334,911.60 and 135,249.76 is: 186,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,669.92 : 334,911.60 = 135,249.76 : x
  2. Step 2: Convert to fraction form
    242,669.92/334,911.60 = 135,249.76/x
  3. Step 3: Cross multiply
    242,669.92x = 334,911.60 × 135,249.76
  4. Step 4: Simplify right side
    242,669.92x = 45,296,713,521.22
  5. Step 5: Solve for x
    x = 45,296,713,521.22/242,669.92
  6. Step 6: Final answer
    x = 186,659.78

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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.