Home / 205,085.16-307,625.76-64,843.80

Finding the Fourth Proportional to 205,085.16, 307,625.76 and 64,843.80

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Solution

The fourth proportional to 205,085.16, 307,625.76 and 64,843.80 is: 97,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,085.16 : 307,625.76 = 64,843.80 : x
  2. Step 2: Convert to fraction form
    205,085.16/307,625.76 = 64,843.80/x
  3. Step 3: Cross multiply
    205,085.16x = 307,625.76 × 64,843.80
  4. Step 4: Simplify right side
    205,085.16x = 19,947,623,256.29
  5. Step 5: Solve for x
    x = 19,947,623,256.29/205,085.16
  6. Step 6: Final answer
    x = 97,265.07

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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.