Home / 161,990.45-243,058.58-56,884.85

Finding the Fourth Proportional to 161,990.45, 243,058.58 and 56,884.85

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Solution

The fourth proportional to 161,990.45, 243,058.58 and 56,884.85 is: 85,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,990.45 : 243,058.58 = 56,884.85 : x
  2. Step 2: Convert to fraction form
    161,990.45/243,058.58 = 56,884.85/x
  3. Step 3: Cross multiply
    161,990.45x = 243,058.58 × 56,884.85
  4. Step 4: Simplify right side
    161,990.45x = 13,826,350,580.09
  5. Step 5: Solve for x
    x = 13,826,350,580.09/161,990.45
  6. Step 6: Final answer
    x = 85,352.87

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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.