Home / 161,732.60-242,635.80-49,428.78

Finding the Fourth Proportional to 161,732.60, 242,635.80 and 49,428.78

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Solution

The fourth proportional to 161,732.60, 242,635.80 and 49,428.78 is: 74,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,732.60 : 242,635.80 = 49,428.78 : x
  2. Step 2: Convert to fraction form
    161,732.60/242,635.80 = 49,428.78/x
  3. Step 3: Cross multiply
    161,732.60x = 242,635.80 × 49,428.78
  4. Step 4: Simplify right side
    161,732.60x = 11,993,191,030.70
  5. Step 5: Solve for x
    x = 11,993,191,030.70/161,732.60
  6. Step 6: Final answer
    x = 74,154.45

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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.