Home / 232,080.72-320,270.28-131,478.48

Finding the Fourth Proportional to 232,080.72, 320,270.28 and 131,478.48

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Solution

The fourth proportional to 232,080.72, 320,270.28 and 131,478.48 is: 181,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,080.72 : 320,270.28 = 131,478.48 : x
  2. Step 2: Convert to fraction form
    232,080.72/320,270.28 = 131,478.48/x
  3. Step 3: Cross multiply
    232,080.72x = 320,270.28 × 131,478.48
  4. Step 4: Simplify right side
    232,080.72x = 42,108,649,603.57
  5. Step 5: Solve for x
    x = 42,108,649,603.57/232,080.72
  6. Step 6: Final answer
    x = 181,439.67

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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.