Home / 140,560.36-210,868.76-51,814.32

Finding the Fourth Proportional to 140,560.36, 210,868.76 and 51,814.32

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Solution

The fourth proportional to 140,560.36, 210,868.76 and 51,814.32 is: 77,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,560.36 : 210,868.76 = 51,814.32 : x
  2. Step 2: Convert to fraction form
    140,560.36/210,868.76 = 51,814.32/x
  3. Step 3: Cross multiply
    140,560.36x = 210,868.76 × 51,814.32
  4. Step 4: Simplify right side
    140,560.36x = 10,926,021,408.64
  5. Step 5: Solve for x
    x = 10,926,021,408.64/140,560.36
  6. Step 6: Final answer
    x = 77,731.88

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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.