Home / 140,141.92-210,087.88-51,374.70

Finding the Fourth Proportional to 140,141.92, 210,087.88 and 51,374.70

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Solution

The fourth proportional to 140,141.92, 210,087.88 and 51,374.70 is: 77,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,141.92 : 210,087.88 = 51,374.70 : x
  2. Step 2: Convert to fraction form
    140,141.92/210,087.88 = 51,374.70/x
  3. Step 3: Cross multiply
    140,141.92x = 210,087.88 × 51,374.70
  4. Step 4: Simplify right side
    140,141.92x = 10,793,201,808.64
  5. Step 5: Solve for x
    x = 10,793,201,808.64/140,141.92
  6. Step 6: Final answer
    x = 77,016.23

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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.