Home / 129,927.51-179,296.32-73,344.15

Finding the Fourth Proportional to 129,927.51, 179,296.32 and 73,344.15

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Solution

The fourth proportional to 129,927.51, 179,296.32 and 73,344.15 is: 101,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,927.51 : 179,296.32 = 73,344.15 : x
  2. Step 2: Convert to fraction form
    129,927.51/179,296.32 = 73,344.15/x
  3. Step 3: Cross multiply
    129,927.51x = 179,296.32 × 73,344.15
  4. Step 4: Simplify right side
    129,927.51x = 13,150,336,188.53
  5. Step 5: Solve for x
    x = 13,150,336,188.53/129,927.51
  6. Step 6: Final answer
    x = 101,212.87

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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.