Home / 113,365.78-169,999.05-43,195.90

Finding the Fourth Proportional to 113,365.78, 169,999.05 and 43,195.90

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Solution

The fourth proportional to 113,365.78, 169,999.05 and 43,195.90 is: 64,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,365.78 : 169,999.05 = 43,195.90 : x
  2. Step 2: Convert to fraction form
    113,365.78/169,999.05 = 43,195.90/x
  3. Step 3: Cross multiply
    113,365.78x = 169,999.05 × 43,195.90
  4. Step 4: Simplify right side
    113,365.78x = 7,343,261,963.90
  5. Step 5: Solve for x
    x = 7,343,261,963.90/113,365.78
  6. Step 6: Final answer
    x = 64,774.94

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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.