Home / 151,425.26-208,976.11-83,442.26

Finding the Fourth Proportional to 151,425.26, 208,976.11 and 83,442.26

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Solution

The fourth proportional to 151,425.26, 208,976.11 and 83,442.26 is: 115,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,425.26 : 208,976.11 = 83,442.26 : x
  2. Step 2: Convert to fraction form
    151,425.26/208,976.11 = 83,442.26/x
  3. Step 3: Cross multiply
    151,425.26x = 208,976.11 × 83,442.26
  4. Step 4: Simplify right side
    151,425.26x = 17,437,438,904.41
  5. Step 5: Solve for x
    x = 17,437,438,904.41/151,425.26
  6. Step 6: Final answer
    x = 115,155.42

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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.