Home / 113,820.40-170,757.56-38,941.36

Finding the Fourth Proportional to 113,820.40, 170,757.56 and 38,941.36

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Solution

The fourth proportional to 113,820.40, 170,757.56 and 38,941.36 is: 58,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.40 : 170,757.56 = 38,941.36 : x
  2. Step 2: Convert to fraction form
    113,820.40/170,757.56 = 38,941.36/x
  3. Step 3: Cross multiply
    113,820.40x = 170,757.56 × 38,941.36
  4. Step 4: Simplify right side
    113,820.40x = 6,649,531,616.68
  5. Step 5: Solve for x
    x = 6,649,531,616.68/113,820.40
  6. Step 6: Final answer
    x = 58,421.26

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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.