Home / 209,929.62-314,675.73-91,569.18

Finding the Fourth Proportional to 209,929.62, 314,675.73 and 91,569.18

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Solution

The fourth proportional to 209,929.62, 314,675.73 and 91,569.18 is: 137,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,929.62 : 314,675.73 = 91,569.18 : x
  2. Step 2: Convert to fraction form
    209,929.62/314,675.73 = 91,569.18/x
  3. Step 3: Cross multiply
    209,929.62x = 314,675.73 × 91,569.18
  4. Step 4: Simplify right side
    209,929.62x = 28,814,598,562.00
  5. Step 5: Solve for x
    x = 28,814,598,562.00/209,929.62
  6. Step 6: Final answer
    x = 137,258.38

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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.