Home / 103,701.04-155,310.30-100,862.56

Finding the Fourth Proportional to 103,701.04, 155,310.30 and 100,862.56

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Solution

The fourth proportional to 103,701.04, 155,310.30 and 100,862.56 is: 151,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,701.04 : 155,310.30 = 100,862.56 : x
  2. Step 2: Convert to fraction form
    103,701.04/155,310.30 = 100,862.56/x
  3. Step 3: Cross multiply
    103,701.04x = 155,310.30 × 100,862.56
  4. Step 4: Simplify right side
    103,701.04x = 15,664,994,452.37
  5. Step 5: Solve for x
    x = 15,664,994,452.37/103,701.04
  6. Step 6: Final answer
    x = 151,059.18

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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.