Home / 130,301.55-195,480.99-74,168.10

Finding the Fourth Proportional to 130,301.55, 195,480.99 and 74,168.10

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Solution

The fourth proportional to 130,301.55, 195,480.99 and 74,168.10 is: 111,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,301.55 : 195,480.99 = 74,168.10 : x
  2. Step 2: Convert to fraction form
    130,301.55/195,480.99 = 74,168.10/x
  3. Step 3: Cross multiply
    130,301.55x = 195,480.99 × 74,168.10
  4. Step 4: Simplify right side
    130,301.55x = 14,498,453,614.42
  5. Step 5: Solve for x
    x = 14,498,453,614.42/130,301.55
  6. Step 6: Final answer
    x = 111,268.47

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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.