Home / 131,635.40-197,453.10-52,806.20

Finding the Fourth Proportional to 131,635.40, 197,453.10 and 52,806.20

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Solution

The fourth proportional to 131,635.40, 197,453.10 and 52,806.20 is: 79,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.40 : 197,453.10 = 52,806.20 : x
  2. Step 2: Convert to fraction form
    131,635.40/197,453.10 = 52,806.20/x
  3. Step 3: Cross multiply
    131,635.40x = 197,453.10 × 52,806.20
  4. Step 4: Simplify right side
    131,635.40x = 10,426,747,889.22
  5. Step 5: Solve for x
    x = 10,426,747,889.22/131,635.40
  6. Step 6: Final answer
    x = 79,209.30

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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.