Home / 140,688.29-210,903.11-50,708.98

Finding the Fourth Proportional to 140,688.29, 210,903.11 and 50,708.98

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Solution

The fourth proportional to 140,688.29, 210,903.11 and 50,708.98 is: 76,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,688.29 : 210,903.11 = 50,708.98 : x
  2. Step 2: Convert to fraction form
    140,688.29/210,903.11 = 50,708.98/x
  3. Step 3: Cross multiply
    140,688.29x = 210,903.11 × 50,708.98
  4. Step 4: Simplify right side
    140,688.29x = 10,694,681,333.38
  5. Step 5: Solve for x
    x = 10,694,681,333.38/140,688.29
  6. Step 6: Final answer
    x = 76,016.86

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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.