Home / 130,046.78-195,031.28-67,683.26

Finding the Fourth Proportional to 130,046.78, 195,031.28 and 67,683.26

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Solution

The fourth proportional to 130,046.78, 195,031.28 and 67,683.26 is: 101,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046.78 : 195,031.28 = 67,683.26 : x
  2. Step 2: Convert to fraction form
    130,046.78/195,031.28 = 67,683.26/x
  3. Step 3: Cross multiply
    130,046.78x = 195,031.28 × 67,683.26
  4. Step 4: Simplify right side
    130,046.78x = 13,200,351,518.80
  5. Step 5: Solve for x
    x = 13,200,351,518.80/130,046.78
  6. Step 6: Final answer
    x = 101,504.64

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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.