Home / 130,200.87-194,982.82-117,579.15

Finding the Fourth Proportional to 130,200.87, 194,982.82 and 117,579.15

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Solution

The fourth proportional to 130,200.87, 194,982.82 and 117,579.15 is: 176,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,200.87 : 194,982.82 = 117,579.15 : x
  2. Step 2: Convert to fraction form
    130,200.87/194,982.82 = 117,579.15/x
  3. Step 3: Cross multiply
    130,200.87x = 194,982.82 × 117,579.15
  4. Step 4: Simplify right side
    130,200.87x = 22,925,913,946.26
  5. Step 5: Solve for x
    x = 22,925,913,946.26/130,200.87
  6. Step 6: Final answer
    x = 176,081.11

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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.