Home / 130,266.30-195,399.45-115,232.70

Finding the Fourth Proportional to 130,266.30, 195,399.45 and 115,232.70

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Solution

The fourth proportional to 130,266.30, 195,399.45 and 115,232.70 is: 172,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.30 : 195,399.45 = 115,232.70 : x
  2. Step 2: Convert to fraction form
    130,266.30/195,399.45 = 115,232.70/x
  3. Step 3: Cross multiply
    130,266.30x = 195,399.45 × 115,232.70
  4. Step 4: Simplify right side
    130,266.30x = 22,516,406,202.02
  5. Step 5: Solve for x
    x = 22,516,406,202.02/130,266.30
  6. Step 6: Final answer
    x = 172,849.05

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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.