Home / 127,768.23-176,223.74-120,234.15

Finding the Fourth Proportional to 127,768.23, 176,223.74 and 120,234.15

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Solution

The fourth proportional to 127,768.23, 176,223.74 and 120,234.15 is: 165,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,768.23 : 176,223.74 = 120,234.15 : x
  2. Step 2: Convert to fraction form
    127,768.23/176,223.74 = 120,234.15/x
  3. Step 3: Cross multiply
    127,768.23x = 176,223.74 × 120,234.15
  4. Step 4: Simplify right side
    127,768.23x = 21,188,110,987.55
  5. Step 5: Solve for x
    x = 21,188,110,987.55/127,768.23
  6. Step 6: Final answer
    x = 165,832.39

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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.