Home / 130,231.87-195,214.55-88,116.39

Finding the Fourth Proportional to 130,231.87, 195,214.55 and 88,116.39

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Solution

The fourth proportional to 130,231.87, 195,214.55 and 88,116.39 is: 132,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,231.87 : 195,214.55 = 88,116.39 : x
  2. Step 2: Convert to fraction form
    130,231.87/195,214.55 = 88,116.39/x
  3. Step 3: Cross multiply
    130,231.87x = 195,214.55 × 88,116.39
  4. Step 4: Simplify right side
    130,231.87x = 17,201,600,980.89
  5. Step 5: Solve for x
    x = 17,201,600,980.89/130,231.87
  6. Step 6: Final answer
    x = 132,084.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.