Home / 161,830.38-242,822.61-73,111.02

Finding the Fourth Proportional to 161,830.38, 242,822.61 and 73,111.02

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Solution

The fourth proportional to 161,830.38, 242,822.61 and 73,111.02 is: 109,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,830.38 : 242,822.61 = 73,111.02 : x
  2. Step 2: Convert to fraction form
    161,830.38/242,822.61 = 73,111.02/x
  3. Step 3: Cross multiply
    161,830.38x = 242,822.61 × 73,111.02
  4. Step 4: Simplify right side
    161,830.38x = 17,753,008,696.16
  5. Step 5: Solve for x
    x = 17,753,008,696.16/161,830.38
  6. Step 6: Final answer
    x = 109,701.33

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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.