Home / 130,328.90-195,454.35-67,965.38

Finding the Fourth Proportional to 130,328.90, 195,454.35 and 67,965.38

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Solution

The fourth proportional to 130,328.90, 195,454.35 and 67,965.38 is: 101,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328.90 : 195,454.35 = 67,965.38 : x
  2. Step 2: Convert to fraction form
    130,328.90/195,454.35 = 67,965.38/x
  3. Step 3: Cross multiply
    130,328.90x = 195,454.35 × 67,965.38
  4. Step 4: Simplify right side
    130,328.90x = 13,284,129,170.40
  5. Step 5: Solve for x
    x = 13,284,129,170.40/130,328.90
  6. Step 6: Final answer
    x = 101,927.73

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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.