Home / 131,570.30-197,355.45-84,331.10

Finding the Fourth Proportional to 131,570.30, 197,355.45 and 84,331.10

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Solution

The fourth proportional to 131,570.30, 197,355.45 and 84,331.10 is: 126,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,570.30 : 197,355.45 = 84,331.10 : x
  2. Step 2: Convert to fraction form
    131,570.30/197,355.45 = 84,331.10/x
  3. Step 3: Cross multiply
    131,570.30x = 197,355.45 × 84,331.10
  4. Step 4: Simplify right side
    131,570.30x = 16,643,202,189.50
  5. Step 5: Solve for x
    x = 16,643,202,189.50/131,570.30
  6. Step 6: Final answer
    x = 126,496.65

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1.5x scale

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.