Home / 99,286.28-137,015.99-53,964.37

Finding the Fourth Proportional to 99,286.28, 137,015.99 and 53,964.37

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Solution

The fourth proportional to 99,286.28, 137,015.99 and 53,964.37 is: 74,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.28 : 137,015.99 = 53,964.37 : x
  2. Step 2: Convert to fraction form
    99,286.28/137,015.99 = 53,964.37/x
  3. Step 3: Cross multiply
    99,286.28x = 137,015.99 × 53,964.37
  4. Step 4: Simplify right side
    99,286.28x = 7,393,980,967.91
  5. Step 5: Solve for x
    x = 7,393,980,967.91/99,286.28
  6. Step 6: Final answer
    x = 74,471.32

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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.