Home / 129,960.44-179,346.12-76,246.51

Finding the Fourth Proportional to 129,960.44, 179,346.12 and 76,246.51

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Solution

The fourth proportional to 129,960.44, 179,346.12 and 76,246.51 is: 105,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960.44 : 179,346.12 = 76,246.51 : x
  2. Step 2: Convert to fraction form
    129,960.44/179,346.12 = 76,246.51/x
  3. Step 3: Cross multiply
    129,960.44x = 179,346.12 × 76,246.51
  4. Step 4: Simplify right side
    129,960.44x = 13,674,515,732.04
  5. Step 5: Solve for x
    x = 13,674,515,732.04/129,960.44
  6. Step 6: Final answer
    x = 105,220.60

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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.