Home / 130,256.20-195,092.70-100,577.80

Finding the Fourth Proportional to 130,256.20, 195,092.70 and 100,577.80

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Solution

The fourth proportional to 130,256.20, 195,092.70 and 100,577.80 is: 150,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256.20 : 195,092.70 = 100,577.80 : x
  2. Step 2: Convert to fraction form
    130,256.20/195,092.70 = 100,577.80/x
  3. Step 3: Cross multiply
    130,256.20x = 195,092.70 × 100,577.80
  4. Step 4: Simplify right side
    130,256.20x = 19,621,994,562.06
  5. Step 5: Solve for x
    x = 19,621,994,562.06/130,256.20
  6. Step 6: Final answer
    x = 150,641.54

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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.