Home / 161,930.40-242,895.60-56,735.70

Finding the Fourth Proportional to 161,930.40, 242,895.60 and 56,735.70

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Solution

The fourth proportional to 161,930.40, 242,895.60 and 56,735.70 is: 85,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.40 : 242,895.60 = 56,735.70 : x
  2. Step 2: Convert to fraction form
    161,930.40/242,895.60 = 56,735.70/x
  3. Step 3: Cross multiply
    161,930.40x = 242,895.60 × 56,735.70
  4. Step 4: Simplify right side
    161,930.40x = 13,780,851,892.92
  5. Step 5: Solve for x
    x = 13,780,851,892.92/161,930.40
  6. Step 6: Final answer
    x = 85,103.55

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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.