Home / 130,995.71-180,793.22-73,639.76

Finding the Fourth Proportional to 130,995.71, 180,793.22 and 73,639.76

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Solution

The fourth proportional to 130,995.71, 180,793.22 and 73,639.76 is: 101,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,995.71 : 180,793.22 = 73,639.76 : x
  2. Step 2: Convert to fraction form
    130,995.71/180,793.22 = 73,639.76/x
  3. Step 3: Cross multiply
    130,995.71x = 180,793.22 × 73,639.76
  4. Step 4: Simplify right side
    130,995.71x = 13,313,568,566.74
  5. Step 5: Solve for x
    x = 13,313,568,566.74/130,995.71
  6. Step 6: Final answer
    x = 101,633.63

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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.