Home / 245,376.14-338,617.06-137,946.65

Finding the Fourth Proportional to 245,376.14, 338,617.06 and 137,946.65

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Solution

The fourth proportional to 245,376.14, 338,617.06 and 137,946.65 is: 190,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,376.14 : 338,617.06 = 137,946.65 : x
  2. Step 2: Convert to fraction form
    245,376.14/338,617.06 = 137,946.65/x
  3. Step 3: Cross multiply
    245,376.14x = 338,617.06 × 137,946.65
  4. Step 4: Simplify right side
    245,376.14x = 46,711,087,021.90
  5. Step 5: Solve for x
    x = 46,711,087,021.90/245,376.14
  6. Step 6: Final answer
    x = 190,365.24

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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.