Home / 147,704.30-203,832.77-84,042.11

Finding the Fourth Proportional to 147,704.30, 203,832.77 and 84,042.11

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Solution

The fourth proportional to 147,704.30, 203,832.77 and 84,042.11 is: 115,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,704.30 : 203,832.77 = 84,042.11 : x
  2. Step 2: Convert to fraction form
    147,704.30/203,832.77 = 84,042.11/x
  3. Step 3: Cross multiply
    147,704.30x = 203,832.77 × 84,042.11
  4. Step 4: Simplify right side
    147,704.30x = 17,130,534,638.57
  5. Step 5: Solve for x
    x = 17,130,534,638.57/147,704.30
  6. Step 6: Final answer
    x = 115,978.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.