Home / 140,147.48-210,286.83-61,251.45

Finding the Fourth Proportional to 140,147.48, 210,286.83 and 61,251.45

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Solution

The fourth proportional to 140,147.48, 210,286.83 and 61,251.45 is: 91,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.48 : 210,286.83 = 61,251.45 : x
  2. Step 2: Convert to fraction form
    140,147.48/210,286.83 = 61,251.45/x
  3. Step 3: Cross multiply
    140,147.48x = 210,286.83 × 61,251.45
  4. Step 4: Simplify right side
    140,147.48x = 12,880,373,253.40
  5. Step 5: Solve for x
    x = 12,880,373,253.40/140,147.48
  6. Step 6: Final answer
    x = 91,905.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.