Home / 107,439.21-161,160.30-28,553.04

Finding the Fourth Proportional to 107,439.21, 161,160.30 and 28,553.04

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Solution

The fourth proportional to 107,439.21, 161,160.30 and 28,553.04 is: 42,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.21 : 161,160.30 = 28,553.04 : x
  2. Step 2: Convert to fraction form
    107,439.21/161,160.30 = 28,553.04/x
  3. Step 3: Cross multiply
    107,439.21x = 161,160.30 × 28,553.04
  4. Step 4: Simplify right side
    107,439.21x = 4,601,616,492.31
  5. Step 5: Solve for x
    x = 4,601,616,492.31/107,439.21
  6. Step 6: Final answer
    x = 42,829.95

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1.5x scale

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.