Home / 130,626.78-195,940.16-41,887.20

Finding the Fourth Proportional to 130,626.78, 195,940.16 and 41,887.20

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Solution

The fourth proportional to 130,626.78, 195,940.16 and 41,887.20 is: 62,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,626.78 : 195,940.16 = 41,887.20 : x
  2. Step 2: Convert to fraction form
    130,626.78/195,940.16 = 41,887.20/x
  3. Step 3: Cross multiply
    130,626.78x = 195,940.16 × 41,887.20
  4. Step 4: Simplify right side
    130,626.78x = 8,207,385,036.90
  5. Step 5: Solve for x
    x = 8,207,385,036.90/130,626.78
  6. Step 6: Final answer
    x = 62,830.80

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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.