Home / 151,712.58-209,363.01-83,733.72

Finding the Fourth Proportional to 151,712.58, 209,363.01 and 83,733.72

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Solution

The fourth proportional to 151,712.58, 209,363.01 and 83,733.72 is: 115,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,712.58 : 209,363.01 = 83,733.72 : x
  2. Step 2: Convert to fraction form
    151,712.58/209,363.01 = 83,733.72/x
  3. Step 3: Cross multiply
    151,712.58x = 209,363.01 × 83,733.72
  4. Step 4: Simplify right side
    151,712.58x = 17,530,743,657.70
  5. Step 5: Solve for x
    x = 17,530,743,657.70/151,712.58
  6. Step 6: Final answer
    x = 115,552.34

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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.