Home / 130,002.25-195,003.38-31,506.25

Finding the Fourth Proportional to 130,002.25, 195,003.38 and 31,506.25

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Solution

The fourth proportional to 130,002.25, 195,003.38 and 31,506.25 is: 47,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.25 : 195,003.38 = 31,506.25 : x
  2. Step 2: Convert to fraction form
    130,002.25/195,003.38 = 31,506.25/x
  3. Step 3: Cross multiply
    130,002.25x = 195,003.38 × 31,506.25
  4. Step 4: Simplify right side
    130,002.25x = 6,143,825,241.13
  5. Step 5: Solve for x
    x = 6,143,825,241.13/130,002.25
  6. Step 6: Final answer
    x = 47,259.38

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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.