Home / 143,274.67-197,715.12-79,610.83

Finding the Fourth Proportional to 143,274.67, 197,715.12 and 79,610.83

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Solution

The fourth proportional to 143,274.67, 197,715.12 and 79,610.83 is: 109,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,274.67 : 197,715.12 = 79,610.83 : x
  2. Step 2: Convert to fraction form
    143,274.67/197,715.12 = 79,610.83/x
  3. Step 3: Cross multiply
    143,274.67x = 197,715.12 × 79,610.83
  4. Step 4: Simplify right side
    143,274.67x = 15,740,264,806.75
  5. Step 5: Solve for x
    x = 15,740,264,806.75/143,274.67
  6. Step 6: Final answer
    x = 109,860.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.