Home / 161,861.40-242,783.15-49,541.54

Finding the Fourth Proportional to 161,861.40, 242,783.15 and 49,541.54

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Solution

The fourth proportional to 161,861.40, 242,783.15 and 49,541.54 is: 74,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861.40 : 242,783.15 = 49,541.54 : x
  2. Step 2: Convert to fraction form
    161,861.40/242,783.15 = 49,541.54/x
  3. Step 3: Cross multiply
    161,861.40x = 242,783.15 × 49,541.54
  4. Step 4: Simplify right side
    161,861.40x = 12,027,849,675.43
  5. Step 5: Solve for x
    x = 12,027,849,675.43/161,861.40
  6. Step 6: Final answer
    x = 74,309.56

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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.