Home / 209,088.80-313,585.92-96,707.36

Finding the Fourth Proportional to 209,088.80, 313,585.92 and 96,707.36

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Solution

The fourth proportional to 209,088.80, 313,585.92 and 96,707.36 is: 145,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088.80 : 313,585.92 = 96,707.36 : x
  2. Step 2: Convert to fraction form
    209,088.80/313,585.92 = 96,707.36/x
  3. Step 3: Cross multiply
    209,088.80x = 313,585.92 × 96,707.36
  4. Step 4: Simplify right side
    209,088.80x = 30,326,066,456.37
  5. Step 5: Solve for x
    x = 30,326,066,456.37/209,088.80
  6. Step 6: Final answer
    x = 145,039.17

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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.