Home / 209,194.73-313,615.24-90,776.51

Finding the Fourth Proportional to 209,194.73, 313,615.24 and 90,776.51

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Solution

The fourth proportional to 209,194.73, 313,615.24 and 90,776.51 is: 136,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,194.73 : 313,615.24 = 90,776.51 : x
  2. Step 2: Convert to fraction form
    209,194.73/313,615.24 = 90,776.51/x
  3. Step 3: Cross multiply
    209,194.73x = 313,615.24 × 90,776.51
  4. Step 4: Simplify right side
    209,194.73x = 28,468,896,970.01
  5. Step 5: Solve for x
    x = 28,468,896,970.01/209,194.73
  6. Step 6: Final answer
    x = 136,088.02

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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.