Home / 105,288.66-158,042.34-61,001.91

Finding the Fourth Proportional to 105,288.66, 158,042.34 and 61,001.91

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Solution

The fourth proportional to 105,288.66, 158,042.34 and 61,001.91 is: 91,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,288.66 : 158,042.34 = 61,001.91 : x
  2. Step 2: Convert to fraction form
    105,288.66/158,042.34 = 61,001.91/x
  3. Step 3: Cross multiply
    105,288.66x = 158,042.34 × 61,001.91
  4. Step 4: Simplify right side
    105,288.66x = 9,640,884,600.87
  5. Step 5: Solve for x
    x = 9,640,884,600.87/105,288.66
  6. Step 6: Final answer
    x = 91,566.22

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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.