Home / 99,147.82-136,823.03-53,824.81

Finding the Fourth Proportional to 99,147.82, 136,823.03 and 53,824.81

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Solution

The fourth proportional to 99,147.82, 136,823.03 and 53,824.81 is: 74,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,147.82 : 136,823.03 = 53,824.81 : x
  2. Step 2: Convert to fraction form
    99,147.82/136,823.03 = 53,824.81/x
  3. Step 3: Cross multiply
    99,147.82x = 136,823.03 × 53,824.81
  4. Step 4: Simplify right side
    99,147.82x = 7,364,473,593.37
  5. Step 5: Solve for x
    x = 7,364,473,593.37/99,147.82
  6. Step 6: Final answer
    x = 74,277.72

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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.