Home / 161,898.03-242,843.40-73,127.70

Finding the Fourth Proportional to 161,898.03, 242,843.40 and 73,127.70

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Solution

The fourth proportional to 161,898.03, 242,843.40 and 73,127.70 is: 109,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,898.03 : 242,843.40 = 73,127.70 : x
  2. Step 2: Convert to fraction form
    161,898.03/242,843.40 = 73,127.70/x
  3. Step 3: Cross multiply
    161,898.03x = 242,843.40 × 73,127.70
  4. Step 4: Simplify right side
    161,898.03x = 17,758,579,302.18
  5. Step 5: Solve for x
    x = 17,758,579,302.18/161,898.03
  6. Step 6: Final answer
    x = 109,689.90

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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.