Home / 143,299.10-197,230.74-126,191.30

Finding the Fourth Proportional to 143,299.10, 197,230.74 and 126,191.30

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Solution

The fourth proportional to 143,299.10, 197,230.74 and 126,191.30 is: 173,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,299.10 : 197,230.74 = 126,191.30 : x
  2. Step 2: Convert to fraction form
    143,299.10/197,230.74 = 126,191.30/x
  3. Step 3: Cross multiply
    143,299.10x = 197,230.74 × 126,191.30
  4. Step 4: Simplify right side
    143,299.10x = 24,888,803,480.56
  5. Step 5: Solve for x
    x = 24,888,803,480.56/143,299.10
  6. Step 6: Final answer
    x = 173,684.30

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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.