Home / 130,508.26-180,116.31-73,163.05

Finding the Fourth Proportional to 130,508.26, 180,116.31 and 73,163.05

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Solution

The fourth proportional to 130,508.26, 180,116.31 and 73,163.05 is: 100,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,508.26 : 180,116.31 = 73,163.05 : x
  2. Step 2: Convert to fraction form
    130,508.26/180,116.31 = 73,163.05/x
  3. Step 3: Cross multiply
    130,508.26x = 180,116.31 × 73,163.05
  4. Step 4: Simplify right side
    130,508.26x = 13,177,858,006.87
  5. Step 5: Solve for x
    x = 13,177,858,006.87/130,508.26
  6. Step 6: Final answer
    x = 100,973.36

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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.