Home / 130,736.74-180,401.82-73,364.20

Finding the Fourth Proportional to 130,736.74, 180,401.82 and 73,364.20

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Solution

The fourth proportional to 130,736.74, 180,401.82 and 73,364.20 is: 101,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,736.74 : 180,401.82 = 73,364.20 : x
  2. Step 2: Convert to fraction form
    130,736.74/180,401.82 = 73,364.20/x
  3. Step 3: Cross multiply
    130,736.74x = 180,401.82 × 73,364.20
  4. Step 4: Simplify right side
    130,736.74x = 13,235,035,202.84
  5. Step 5: Solve for x
    x = 13,235,035,202.84/130,736.74
  6. Step 6: Final answer
    x = 101,234.25

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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.