Home / 73,266.18-109,904.60-31,141.45

Finding the Fourth Proportional to 73,266.18, 109,904.60 and 31,141.45

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Solution

The fourth proportional to 73,266.18, 109,904.60 and 31,141.45 is: 46,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266.18 : 109,904.60 = 31,141.45 : x
  2. Step 2: Convert to fraction form
    73,266.18/109,904.60 = 31,141.45/x
  3. Step 3: Cross multiply
    73,266.18x = 109,904.60 × 31,141.45
  4. Step 4: Simplify right side
    73,266.18x = 3,422,588,605.67
  5. Step 5: Solve for x
    x = 3,422,588,605.67/73,266.18
  6. Step 6: Final answer
    x = 46,714.44

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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.