Home / 151,329.44-208,832.06-83,352.78

Finding the Fourth Proportional to 151,329.44, 208,832.06 and 83,352.78

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Solution

The fourth proportional to 151,329.44, 208,832.06 and 83,352.78 is: 115,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,329.44 : 208,832.06 = 83,352.78 : x
  2. Step 2: Convert to fraction form
    151,329.44/208,832.06 = 83,352.78/x
  3. Step 3: Cross multiply
    151,329.44x = 208,832.06 × 83,352.78
  4. Step 4: Simplify right side
    151,329.44x = 17,406,731,971.01
  5. Step 5: Solve for x
    x = 17,406,731,971.01/151,329.44
  6. Step 6: Final answer
    x = 115,025.41

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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.