Home / 94,748.90-142,098.60-28,171.10

Finding the Fourth Proportional to 94,748.90, 142,098.60 and 28,171.10

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Solution

The fourth proportional to 94,748.90, 142,098.60 and 28,171.10 is: 42,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,748.90 : 142,098.60 = 28,171.10 : x
  2. Step 2: Convert to fraction form
    94,748.90/142,098.60 = 28,171.10/x
  3. Step 3: Cross multiply
    94,748.90x = 142,098.60 × 28,171.10
  4. Step 4: Simplify right side
    94,748.90x = 4,003,073,870.46
  5. Step 5: Solve for x
    x = 4,003,073,870.46/94,748.90
  6. Step 6: Final answer
    x = 42,249.29

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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.