Home / 161,830.36-242,644.06-49,473.20

Finding the Fourth Proportional to 161,830.36, 242,644.06 and 49,473.20

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Solution

The fourth proportional to 161,830.36, 242,644.06 and 49,473.20 is: 74,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,830.36 : 242,644.06 = 49,473.20 : x
  2. Step 2: Convert to fraction form
    161,830.36/242,644.06 = 49,473.20/x
  3. Step 3: Cross multiply
    161,830.36x = 242,644.06 × 49,473.20
  4. Step 4: Simplify right side
    161,830.36x = 12,004,378,109.19
  5. Step 5: Solve for x
    x = 12,004,378,109.19/161,830.36
  6. Step 6: Final answer
    x = 74,178.78

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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.