Home / 103,627.17-155,425.29-28,739.50

Finding the Fourth Proportional to 103,627.17, 155,425.29 and 28,739.50

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Solution

The fourth proportional to 103,627.17, 155,425.29 and 28,739.50 is: 43,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.17 : 155,425.29 = 28,739.50 : x
  2. Step 2: Convert to fraction form
    103,627.17/155,425.29 = 28,739.50/x
  3. Step 3: Cross multiply
    103,627.17x = 155,425.29 × 28,739.50
  4. Step 4: Simplify right side
    103,627.17x = 4,466,845,121.96
  5. Step 5: Solve for x
    x = 4,466,845,121.96/103,627.17
  6. Step 6: Final answer
    x = 43,104.96

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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.