Home / 149,053.26-205,632.79-84,508.90

Finding the Fourth Proportional to 149,053.26, 205,632.79 and 84,508.90

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Solution

The fourth proportional to 149,053.26, 205,632.79 and 84,508.90 is: 116,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,053.26 : 205,632.79 = 84,508.90 : x
  2. Step 2: Convert to fraction form
    149,053.26/205,632.79 = 84,508.90/x
  3. Step 3: Cross multiply
    149,053.26x = 205,632.79 × 84,508.90
  4. Step 4: Simplify right side
    149,053.26x = 17,377,800,886.83
  5. Step 5: Solve for x
    x = 17,377,800,886.83/149,053.26
  6. Step 6: Final answer
    x = 116,587.86

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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.