Home / 99,620.68-137,476.64-54,298.70

Finding the Fourth Proportional to 99,620.68, 137,476.64 and 54,298.70

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Solution

The fourth proportional to 99,620.68, 137,476.64 and 54,298.70 is: 74,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,620.68 : 137,476.64 = 54,298.70 : x
  2. Step 2: Convert to fraction form
    99,620.68/137,476.64 = 54,298.70/x
  3. Step 3: Cross multiply
    99,620.68x = 137,476.64 × 54,298.70
  4. Step 4: Simplify right side
    99,620.68x = 7,464,802,832.37
  5. Step 5: Solve for x
    x = 7,464,802,832.37/99,620.68
  6. Step 6: Final answer
    x = 74,932.26

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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.