Home / 140,309.20-210,463.62-35,128

Finding the Fourth Proportional to 140,309.20, 210,463.62 and 35,128

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Solution

The fourth proportional to 140,309.20, 210,463.62 and 35,128 is: 52,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,309.20 : 210,463.62 = 35,128 : x
  2. Step 2: Convert to fraction form
    140,309.20/210,463.62 = 35,128/x
  3. Step 3: Cross multiply
    140,309.20x = 210,463.62 × 35,128
  4. Step 4: Simplify right side
    140,309.20x = 7,393,166,043.36
  5. Step 5: Solve for x
    x = 7,393,166,043.36/140,309.20
  6. Step 6: Final answer
    x = 52,691.95

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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.