Home / 104,481.10-156,721.65-63,009.10

Finding the Fourth Proportional to 104,481.10, 156,721.65 and 63,009.10

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Solution

The fourth proportional to 104,481.10, 156,721.65 and 63,009.10 is: 94,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,481.10 : 156,721.65 = 63,009.10 : x
  2. Step 2: Convert to fraction form
    104,481.10/156,721.65 = 63,009.10/x
  3. Step 3: Cross multiply
    104,481.10x = 156,721.65 × 63,009.10
  4. Step 4: Simplify right side
    104,481.10x = 9,874,890,117.02
  5. Step 5: Solve for x
    x = 9,874,890,117.02/104,481.10
  6. Step 6: Final answer
    x = 94,513.65

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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.