Home / 131,014.46-180,781.72-73,645.67

Finding the Fourth Proportional to 131,014.46, 180,781.72 and 73,645.67

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Solution

The fourth proportional to 131,014.46, 180,781.72 and 73,645.67 is: 101,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014.46 : 180,781.72 = 73,645.67 : x
  2. Step 2: Convert to fraction form
    131,014.46/180,781.72 = 73,645.67/x
  3. Step 3: Cross multiply
    131,014.46x = 180,781.72 × 73,645.67
  4. Step 4: Simplify right side
    131,014.46x = 13,313,789,805.13
  5. Step 5: Solve for x
    x = 13,313,789,805.13/131,014.46
  6. Step 6: Final answer
    x = 101,620.77

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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.