Home / 130,392.29-179,935.13-80,081.57

Finding the Fourth Proportional to 130,392.29, 179,935.13 and 80,081.57

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Solution

The fourth proportional to 130,392.29, 179,935.13 and 80,081.57 is: 110,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392.29 : 179,935.13 = 80,081.57 : x
  2. Step 2: Convert to fraction form
    130,392.29/179,935.13 = 80,081.57/x
  3. Step 3: Cross multiply
    130,392.29x = 179,935.13 × 80,081.57
  4. Step 4: Simplify right side
    130,392.29x = 14,409,486,408.47
  5. Step 5: Solve for x
    x = 14,409,486,408.47/130,392.29
  6. Step 6: Final answer
    x = 110,508.73

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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.