Home / 130,266.15-195,429.93-103,712.52

Finding the Fourth Proportional to 130,266.15, 195,429.93 and 103,712.52

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Solution

The fourth proportional to 130,266.15, 195,429.93 and 103,712.52 is: 155,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.15 : 195,429.93 = 103,712.52 : x
  2. Step 2: Convert to fraction form
    130,266.15/195,429.93 = 103,712.52/x
  3. Step 3: Cross multiply
    130,266.15x = 195,429.93 × 103,712.52
  4. Step 4: Simplify right side
    130,266.15x = 20,268,530,523.72
  5. Step 5: Solve for x
    x = 20,268,530,523.72/130,266.15
  6. Step 6: Final answer
    x = 155,593.23

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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.