Home / 132,336.40-198,393-57,400.08

Finding the Fourth Proportional to 132,336.40, 198,393 and 57,400.08

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Solution

The fourth proportional to 132,336.40, 198,393 and 57,400.08 is: 86,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,336.40 : 198,393 = 57,400.08 : x
  2. Step 2: Convert to fraction form
    132,336.40/198,393 = 57,400.08/x
  3. Step 3: Cross multiply
    132,336.40x = 198,393 × 57,400.08
  4. Step 4: Simplify right side
    132,336.40x = 11,387,774,071.44
  5. Step 5: Solve for x
    x = 11,387,774,071.44/132,336.40
  6. Step 6: Final answer
    x = 86,051.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.