Home / 245,377.08-338,621.82-137,946.18

Finding the Fourth Proportional to 245,377.08, 338,621.82 and 137,946.18

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Solution

The fourth proportional to 245,377.08, 338,621.82 and 137,946.18 is: 190,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,377.08 : 338,621.82 = 137,946.18 : x
  2. Step 2: Convert to fraction form
    245,377.08/338,621.82 = 137,946.18/x
  3. Step 3: Cross multiply
    245,377.08x = 338,621.82 × 137,946.18
  4. Step 4: Simplify right side
    245,377.08x = 46,711,586,533.65
  5. Step 5: Solve for x
    x = 46,711,586,533.65/245,377.08
  6. Step 6: Final answer
    x = 190,366.54

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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.