Home / 131,338.40-197,007.60-52,464.80

Finding the Fourth Proportional to 131,338.40, 197,007.60 and 52,464.80

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Solution

The fourth proportional to 131,338.40, 197,007.60 and 52,464.80 is: 78,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,338.40 : 197,007.60 = 52,464.80 : x
  2. Step 2: Convert to fraction form
    131,338.40/197,007.60 = 52,464.80/x
  3. Step 3: Cross multiply
    131,338.40x = 197,007.60 × 52,464.80
  4. Step 4: Simplify right side
    131,338.40x = 10,335,964,332.48
  5. Step 5: Solve for x
    x = 10,335,964,332.48/131,338.40
  6. Step 6: Final answer
    x = 78,697.20

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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.