Home / 103,281.76-154,906.44-28,407.52

Finding the Fourth Proportional to 103,281.76, 154,906.44 and 28,407.52

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Solution

The fourth proportional to 103,281.76, 154,906.44 and 28,407.52 is: 42,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,281.76 : 154,906.44 = 28,407.52 : x
  2. Step 2: Convert to fraction form
    103,281.76/154,906.44 = 28,407.52/x
  3. Step 3: Cross multiply
    103,281.76x = 154,906.44 × 28,407.52
  4. Step 4: Simplify right side
    103,281.76x = 4,400,507,792.43
  5. Step 5: Solve for x
    x = 4,400,507,792.43/103,281.76
  6. Step 6: Final answer
    x = 42,606.82

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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.