Home / 120,898.44-166,827.42-75,581.43

Finding the Fourth Proportional to 120,898.44, 166,827.42 and 75,581.43

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Solution

The fourth proportional to 120,898.44, 166,827.42 and 75,581.43 is: 104,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,898.44 : 166,827.42 = 75,581.43 : x
  2. Step 2: Convert to fraction form
    120,898.44/166,827.42 = 75,581.43/x
  3. Step 3: Cross multiply
    120,898.44x = 166,827.42 × 75,581.43
  4. Step 4: Simplify right side
    120,898.44x = 12,609,054,966.81
  5. Step 5: Solve for x
    x = 12,609,054,966.81/120,898.44
  6. Step 6: Final answer
    x = 104,294.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.