Home / 99,177.79-136,864.86-53,855.37

Finding the Fourth Proportional to 99,177.79, 136,864.86 and 53,855.37

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Solution

The fourth proportional to 99,177.79, 136,864.86 and 53,855.37 is: 74,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,177.79 : 136,864.86 = 53,855.37 : x
  2. Step 2: Convert to fraction form
    99,177.79/136,864.86 = 53,855.37/x
  3. Step 3: Cross multiply
    99,177.79x = 136,864.86 × 53,855.37
  4. Step 4: Simplify right side
    99,177.79x = 7,370,907,473.34
  5. Step 5: Solve for x
    x = 7,370,907,473.34/99,177.79
  6. Step 6: Final answer
    x = 74,320.14

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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.