Home / 209,829.38-289,555.47-119,185.07

Finding the Fourth Proportional to 209,829.38, 289,555.47 and 119,185.07

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Solution

The fourth proportional to 209,829.38, 289,555.47 and 119,185.07 is: 164,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,829.38 : 289,555.47 = 119,185.07 : x
  2. Step 2: Convert to fraction form
    209,829.38/289,555.47 = 119,185.07/x
  3. Step 3: Cross multiply
    209,829.38x = 289,555.47 × 119,185.07
  4. Step 4: Simplify right side
    209,829.38x = 34,510,687,513.06
  5. Step 5: Solve for x
    x = 34,510,687,513.06/209,829.38
  6. Step 6: Final answer
    x = 164,470.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.