Home / 130,268.25-195,402.38-31,772.25

Finding the Fourth Proportional to 130,268.25, 195,402.38 and 31,772.25

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Solution

The fourth proportional to 130,268.25, 195,402.38 and 31,772.25 is: 47,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,268.25 : 195,402.38 = 31,772.25 : x
  2. Step 2: Convert to fraction form
    130,268.25/195,402.38 = 31,772.25/x
  3. Step 3: Cross multiply
    130,268.25x = 195,402.38 × 31,772.25
  4. Step 4: Simplify right side
    130,268.25x = 6,208,373,109.09
  5. Step 5: Solve for x
    x = 6,208,373,109.09/130,268.25
  6. Step 6: Final answer
    x = 47,658.38

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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.