Home / 113,874.35-157,134.67-66,118.37

Finding the Fourth Proportional to 113,874.35, 157,134.67 and 66,118.37

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Solution

The fourth proportional to 113,874.35, 157,134.67 and 66,118.37 is: 91,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,874.35 : 157,134.67 = 66,118.37 : x
  2. Step 2: Convert to fraction form
    113,874.35/157,134.67 = 66,118.37/x
  3. Step 3: Cross multiply
    113,874.35x = 157,134.67 × 66,118.37
  4. Step 4: Simplify right side
    113,874.35x = 10,389,487,299.92
  5. Step 5: Solve for x
    x = 10,389,487,299.92/113,874.35
  6. Step 6: Final answer
    x = 91,236.42

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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.