Home / 142,930.65-197,218.22-82,479.24

Finding the Fourth Proportional to 142,930.65, 197,218.22 and 82,479.24

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Solution

The fourth proportional to 142,930.65, 197,218.22 and 82,479.24 is: 113,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,930.65 : 197,218.22 = 82,479.24 : x
  2. Step 2: Convert to fraction form
    142,930.65/197,218.22 = 82,479.24/x
  3. Step 3: Cross multiply
    142,930.65x = 197,218.22 × 82,479.24
  4. Step 4: Simplify right side
    142,930.65x = 16,266,408,899.75
  5. Step 5: Solve for x
    x = 16,266,408,899.75/142,930.65
  6. Step 6: Final answer
    x = 113,806.30

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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.