Home / 130,266.60-195,380.70-36,781.80

Finding the Fourth Proportional to 130,266.60, 195,380.70 and 36,781.80

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Solution

The fourth proportional to 130,266.60, 195,380.70 and 36,781.80 is: 55,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,266.60 : 195,380.70 = 36,781.80 : x
  2. Step 2: Convert to fraction form
    130,266.60/195,380.70 = 36,781.80/x
  3. Step 3: Cross multiply
    130,266.60x = 195,380.70 × 36,781.80
  4. Step 4: Simplify right side
    130,266.60x = 7,186,453,831.26
  5. Step 5: Solve for x
    x = 7,186,453,831.26/130,266.60
  6. Step 6: Final answer
    x = 55,167.28

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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.