Home / 515,166.43-772,662.16-136,091.29

Finding the Fourth Proportional to 515,166.43, 772,662.16 and 136,091.29

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Solution

The fourth proportional to 515,166.43, 772,662.16 and 136,091.29 is: 204,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,166.43 : 772,662.16 = 136,091.29 : x
  2. Step 2: Convert to fraction form
    515,166.43/772,662.16 = 136,091.29/x
  3. Step 3: Cross multiply
    515,166.43x = 772,662.16 × 136,091.29
  4. Step 4: Simplify right side
    515,166.43x = 105,152,590,088.59
  5. Step 5: Solve for x
    x = 105,152,590,088.59/515,166.43
  6. Step 6: Final answer
    x = 204,113.82

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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.