Home / 113,845.54-157,112.10-62,865.46

Finding the Fourth Proportional to 113,845.54, 157,112.10 and 62,865.46

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Solution

The fourth proportional to 113,845.54, 157,112.10 and 62,865.46 is: 86,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.54 : 157,112.10 = 62,865.46 : x
  2. Step 2: Convert to fraction form
    113,845.54/157,112.10 = 62,865.46/x
  3. Step 3: Cross multiply
    113,845.54x = 157,112.10 × 62,865.46
  4. Step 4: Simplify right side
    113,845.54x = 9,876,924,438.07
  5. Step 5: Solve for x
    x = 9,876,924,438.07/113,845.54
  6. Step 6: Final answer
    x = 86,757.24

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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.