Home / 242,997.81-335,336.05-135,567.91

Finding the Fourth Proportional to 242,997.81, 335,336.05 and 135,567.91

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Solution

The fourth proportional to 242,997.81, 335,336.05 and 135,567.91 is: 187,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,997.81 : 335,336.05 = 135,567.91 : x
  2. Step 2: Convert to fraction form
    242,997.81/335,336.05 = 135,567.91/x
  3. Step 3: Cross multiply
    242,997.81x = 335,336.05 × 135,567.91
  4. Step 4: Simplify right side
    242,997.81x = 45,460,807,446.16
  5. Step 5: Solve for x
    x = 45,460,807,446.16/242,997.81
  6. Step 6: Final answer
    x = 187,083.20

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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.