Home / 130,081.41-179,515.85-73,491.57

Finding the Fourth Proportional to 130,081.41, 179,515.85 and 73,491.57

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Solution

The fourth proportional to 130,081.41, 179,515.85 and 73,491.57 is: 101,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,081.41 : 179,515.85 = 73,491.57 : x
  2. Step 2: Convert to fraction form
    130,081.41/179,515.85 = 73,491.57/x
  3. Step 3: Cross multiply
    130,081.41x = 179,515.85 × 73,491.57
  4. Step 4: Simplify right side
    130,081.41x = 13,192,901,288.93
  5. Step 5: Solve for x
    x = 13,192,901,288.93/130,081.41
  6. Step 6: Final answer
    x = 101,420.34

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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.