Home / 149,582.52-206,412.24-85,908

Finding the Fourth Proportional to 149,582.52, 206,412.24 and 85,908

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Solution

The fourth proportional to 149,582.52, 206,412.24 and 85,908 is: 118,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,582.52 : 206,412.24 = 85,908 : x
  2. Step 2: Convert to fraction form
    149,582.52/206,412.24 = 85,908/x
  3. Step 3: Cross multiply
    149,582.52x = 206,412.24 × 85,908
  4. Step 4: Simplify right side
    149,582.52x = 17,732,462,713.92
  5. Step 5: Solve for x
    x = 17,732,462,713.92/149,582.52
  6. Step 6: Final answer
    x = 118,546.36

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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.