Home / 103,334.43-155,005.47-28,460.37

Finding the Fourth Proportional to 103,334.43, 155,005.47 and 28,460.37

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Solution

The fourth proportional to 103,334.43, 155,005.47 and 28,460.37 is: 42,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,334.43 : 155,005.47 = 28,460.37 : x
  2. Step 2: Convert to fraction form
    103,334.43/155,005.47 = 28,460.37/x
  3. Step 3: Cross multiply
    103,334.43x = 155,005.47 × 28,460.37
  4. Step 4: Simplify right side
    103,334.43x = 4,411,513,028.22
  5. Step 5: Solve for x
    x = 4,411,513,028.22/103,334.43
  6. Step 6: Final answer
    x = 42,691.61

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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.