Home / 242,634.75-334,839.60-140,667.90

Finding the Fourth Proportional to 242,634.75, 334,839.60 and 140,667.90

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Solution

The fourth proportional to 242,634.75, 334,839.60 and 140,667.90 is: 194,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,634.75 : 334,839.60 = 140,667.90 : x
  2. Step 2: Convert to fraction form
    242,634.75/334,839.60 = 140,667.90/x
  3. Step 3: Cross multiply
    242,634.75x = 334,839.60 × 140,667.90
  4. Step 4: Simplify right side
    242,634.75x = 47,101,183,368.84
  5. Step 5: Solve for x
    x = 47,101,183,368.84/242,634.75
  6. Step 6: Final answer
    x = 194,123.82

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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.