Home / 242,553.14-334,723.74-135,127

Finding the Fourth Proportional to 242,553.14, 334,723.74 and 135,127

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Solution

The fourth proportional to 242,553.14, 334,723.74 and 135,127 is: 186,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,553.14 : 334,723.74 = 135,127 : x
  2. Step 2: Convert to fraction form
    242,553.14/334,723.74 = 135,127/x
  3. Step 3: Cross multiply
    242,553.14x = 334,723.74 × 135,127
  4. Step 4: Simplify right side
    242,553.14x = 45,230,214,814.98
  5. Step 5: Solve for x
    x = 45,230,214,814.98/242,553.14
  6. Step 6: Final answer
    x = 186,475.49

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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.