Home / 130,383.91-179,923.57-80,073.19

Finding the Fourth Proportional to 130,383.91, 179,923.57 and 80,073.19

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Solution

The fourth proportional to 130,383.91, 179,923.57 and 80,073.19 is: 110,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,383.91 : 179,923.57 = 80,073.19 : x
  2. Step 2: Convert to fraction form
    130,383.91/179,923.57 = 80,073.19/x
  3. Step 3: Cross multiply
    130,383.91x = 179,923.57 × 80,073.19
  4. Step 4: Simplify right side
    130,383.91x = 14,407,054,206.09
  5. Step 5: Solve for x
    x = 14,407,054,206.09/130,383.91
  6. Step 6: Final answer
    x = 110,497.18

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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.