Home / 232,503.85-320,844.38-129,144.74

Finding the Fourth Proportional to 232,503.85, 320,844.38 and 129,144.74

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Solution

The fourth proportional to 232,503.85, 320,844.38 and 129,144.74 is: 178,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,503.85 : 320,844.38 = 129,144.74 : x
  2. Step 2: Convert to fraction form
    232,503.85/320,844.38 = 129,144.74/x
  3. Step 3: Cross multiply
    232,503.85x = 320,844.38 × 129,144.74
  4. Step 4: Simplify right side
    232,503.85x = 41,435,364,191.95
  5. Step 5: Solve for x
    x = 41,435,364,191.95/232,503.85
  6. Step 6: Final answer
    x = 178,213.67

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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.