Home / 245,340.14-338,569.56-136,442.07

Finding the Fourth Proportional to 245,340.14, 338,569.56 and 136,442.07

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Solution

The fourth proportional to 245,340.14, 338,569.56 and 136,442.07 is: 188,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,340.14 : 338,569.56 = 136,442.07 : x
  2. Step 2: Convert to fraction form
    245,340.14/338,569.56 = 136,442.07/x
  3. Step 3: Cross multiply
    245,340.14x = 338,569.56 × 136,442.07
  4. Step 4: Simplify right side
    245,340.14x = 46,195,131,605.39
  5. Step 5: Solve for x
    x = 46,195,131,605.39/245,340.14
  6. Step 6: Final answer
    x = 188,290.15

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1.5x scale

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.