Home / 115,042.74-172,296.54-111,051.55

Finding the Fourth Proportional to 115,042.74, 172,296.54 and 111,051.55

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Solution

The fourth proportional to 115,042.74, 172,296.54 and 111,051.55 is: 166,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,042.74 : 172,296.54 = 111,051.55 : x
  2. Step 2: Convert to fraction form
    115,042.74/172,296.54 = 111,051.55/x
  3. Step 3: Cross multiply
    115,042.74x = 172,296.54 × 111,051.55
  4. Step 4: Simplify right side
    115,042.74x = 19,133,796,800.55
  5. Step 5: Solve for x
    x = 19,133,796,800.55/115,042.74
  6. Step 6: Final answer
    x = 166,319.04

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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.