Home / 161,215.10-241,707.45-72,395.90

Finding the Fourth Proportional to 161,215.10, 241,707.45 and 72,395.90

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Solution

The fourth proportional to 161,215.10, 241,707.45 and 72,395.90 is: 108,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,215.10 : 241,707.45 = 72,395.90 : x
  2. Step 2: Convert to fraction form
    161,215.10/241,707.45 = 72,395.90/x
  3. Step 3: Cross multiply
    161,215.10x = 241,707.45 × 72,395.90
  4. Step 4: Simplify right side
    161,215.10x = 17,498,628,379.46
  5. Step 5: Solve for x
    x = 17,498,628,379.46/161,215.10
  6. Step 6: Final answer
    x = 108,542.12

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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.