Home / 242,529.14-334,645.80-135,096.50

Finding the Fourth Proportional to 242,529.14, 334,645.80 and 135,096.50

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Solution

The fourth proportional to 242,529.14, 334,645.80 and 135,096.50 is: 186,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,529.14 : 334,645.80 = 135,096.50 : x
  2. Step 2: Convert to fraction form
    242,529.14/334,645.80 = 135,096.50/x
  3. Step 3: Cross multiply
    242,529.14x = 334,645.80 × 135,096.50
  4. Step 4: Simplify right side
    242,529.14x = 45,209,476,319.70
  5. Step 5: Solve for x
    x = 45,209,476,319.70/242,529.14
  6. Step 6: Final answer
    x = 186,408.43

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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.