Home / 140,147.85-210,287.40-61,251.84

Finding the Fourth Proportional to 140,147.85, 210,287.40 and 61,251.84

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Solution

The fourth proportional to 140,147.85, 210,287.40 and 61,251.84 is: 91,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.85 : 210,287.40 = 61,251.84 : x
  2. Step 2: Convert to fraction form
    140,147.85/210,287.40 = 61,251.84/x
  3. Step 3: Cross multiply
    140,147.85x = 210,287.40 × 61,251.84
  4. Step 4: Simplify right side
    140,147.85x = 12,880,490,178.82
  5. Step 5: Solve for x
    x = 12,880,490,178.82/140,147.85
  6. Step 6: Final answer
    x = 91,906.44

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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.