Home / 130,245.90-194,850.45-112,908.30

Finding the Fourth Proportional to 130,245.90, 194,850.45 and 112,908.30

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Solution

The fourth proportional to 130,245.90, 194,850.45 and 112,908.30 is: 168,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,245.90 : 194,850.45 = 112,908.30 : x
  2. Step 2: Convert to fraction form
    130,245.90/194,850.45 = 112,908.30/x
  3. Step 3: Cross multiply
    130,245.90x = 194,850.45 × 112,908.30
  4. Step 4: Simplify right side
    130,245.90x = 22,000,233,063.74
  5. Step 5: Solve for x
    x = 22,000,233,063.74/130,245.90
  6. Step 6: Final answer
    x = 168,913.06

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1.5x scale

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.