Home / 130,578.38-195,881.61-55,706.44

Finding the Fourth Proportional to 130,578.38, 195,881.61 and 55,706.44

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Solution

The fourth proportional to 130,578.38, 195,881.61 and 55,706.44 is: 83,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,578.38 : 195,881.61 = 55,706.44 : x
  2. Step 2: Convert to fraction form
    130,578.38/195,881.61 = 55,706.44/x
  3. Step 3: Cross multiply
    130,578.38x = 195,881.61 × 55,706.44
  4. Step 4: Simplify right side
    130,578.38x = 10,911,866,175.16
  5. Step 5: Solve for x
    x = 10,911,866,175.16/130,578.38
  6. Step 6: Final answer
    x = 83,565.64

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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.