Home / 113,615.96-157,073.46-85,272.44

Finding the Fourth Proportional to 113,615.96, 157,073.46 and 85,272.44

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Solution

The fourth proportional to 113,615.96, 157,073.46 and 85,272.44 is: 117,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,615.96 : 157,073.46 = 85,272.44 : x
  2. Step 2: Convert to fraction form
    113,615.96/157,073.46 = 85,272.44/x
  3. Step 3: Cross multiply
    113,615.96x = 157,073.46 × 85,272.44
  4. Step 4: Simplify right side
    113,615.96x = 13,394,037,193.44
  5. Step 5: Solve for x
    x = 13,394,037,193.44/113,615.96
  6. Step 6: Final answer
    x = 117,888.69

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1.5x scale

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.