Home / 130,266.26-179,772.72-73,677.50

Finding the Fourth Proportional to 130,266.26, 179,772.72 and 73,677.50

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Solution

The fourth proportional to 130,266.26, 179,772.72 and 73,677.50 is: 101,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.26 : 179,772.72 = 73,677.50 : x
  2. Step 2: Convert to fraction form
    130,266.26/179,772.72 = 73,677.50/x
  3. Step 3: Cross multiply
    130,266.26x = 179,772.72 × 73,677.50
  4. Step 4: Simplify right side
    130,266.26x = 13,245,204,577.80
  5. Step 5: Solve for x
    x = 13,245,204,577.80/130,266.26
  6. Step 6: Final answer
    x = 101,677.94

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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.