Home / 130,229.40-194,825.70-112,891.80

Finding the Fourth Proportional to 130,229.40, 194,825.70 and 112,891.80

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Solution

The fourth proportional to 130,229.40, 194,825.70 and 112,891.80 is: 168,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,229.40 : 194,825.70 = 112,891.80 : x
  2. Step 2: Convert to fraction form
    130,229.40/194,825.70 = 112,891.80/x
  3. Step 3: Cross multiply
    130,229.40x = 194,825.70 × 112,891.80
  4. Step 4: Simplify right side
    130,229.40x = 21,994,223,959.26
  5. Step 5: Solve for x
    x = 21,994,223,959.26/130,229.40
  6. Step 6: Final answer
    x = 168,888.32

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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.