Home / 99,286.02-137,015.73-53,964

Finding the Fourth Proportional to 99,286.02, 137,015.73 and 53,964

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Solution

The fourth proportional to 99,286.02, 137,015.73 and 53,964 is: 74,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.02 : 137,015.73 = 53,964 : x
  2. Step 2: Convert to fraction form
    99,286.02/137,015.73 = 53,964/x
  3. Step 3: Cross multiply
    99,286.02x = 137,015.73 × 53,964
  4. Step 4: Simplify right side
    99,286.02x = 7,393,916,853.72
  5. Step 5: Solve for x
    x = 7,393,916,853.72/99,286.02
  6. Step 6: Final answer
    x = 74,470.88

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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.