Home / 140,529.38-210,796.80-51,737.18

Finding the Fourth Proportional to 140,529.38, 210,796.80 and 51,737.18

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Solution

The fourth proportional to 140,529.38, 210,796.80 and 51,737.18 is: 77,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,529.38 : 210,796.80 = 51,737.18 : x
  2. Step 2: Convert to fraction form
    140,529.38/210,796.80 = 51,737.18/x
  3. Step 3: Cross multiply
    140,529.38x = 210,796.80 × 51,737.18
  4. Step 4: Simplify right side
    140,529.38x = 10,906,031,985.02
  5. Step 5: Solve for x
    x = 10,906,031,985.02/140,529.38
  6. Step 6: Final answer
    x = 77,606.78

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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.