Home / 162,171.73-243,280.81-49,861.38

Finding the Fourth Proportional to 162,171.73, 243,280.81 and 49,861.38

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Solution

The fourth proportional to 162,171.73, 243,280.81 and 49,861.38 is: 74,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,171.73 : 243,280.81 = 49,861.38 : x
  2. Step 2: Convert to fraction form
    162,171.73/243,280.81 = 49,861.38/x
  3. Step 3: Cross multiply
    162,171.73x = 243,280.81 × 49,861.38
  4. Step 4: Simplify right side
    162,171.73x = 12,130,316,914.12
  5. Step 5: Solve for x
    x = 12,130,316,914.12/162,171.73
  6. Step 6: Final answer
    x = 74,799.21

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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.