Home / 131,426.80-197,140.20-52,597.60

Finding the Fourth Proportional to 131,426.80, 197,140.20 and 52,597.60

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Solution

The fourth proportional to 131,426.80, 197,140.20 and 52,597.60 is: 78,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,426.80 : 197,140.20 = 52,597.60 : x
  2. Step 2: Convert to fraction form
    131,426.80/197,140.20 = 52,597.60/x
  3. Step 3: Cross multiply
    131,426.80x = 197,140.20 × 52,597.60
  4. Step 4: Simplify right side
    131,426.80x = 10,369,101,383.52
  5. Step 5: Solve for x
    x = 10,369,101,383.52/131,426.80
  6. Step 6: Final answer
    x = 78,896.40

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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.