Home / 245,341.14-338,570.94-136,443.07

Finding the Fourth Proportional to 245,341.14, 338,570.94 and 136,443.07

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Solution

The fourth proportional to 245,341.14, 338,570.94 and 136,443.07 is: 188,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,341.14 : 338,570.94 = 136,443.07 : x
  2. Step 2: Convert to fraction form
    245,341.14/338,570.94 = 136,443.07/x
  3. Step 3: Cross multiply
    245,341.14x = 338,570.94 × 136,443.07
  4. Step 4: Simplify right side
    245,341.14x = 46,195,658,466.39
  5. Step 5: Solve for x
    x = 46,195,658,466.39/245,341.14
  6. Step 6: Final answer
    x = 188,291.53

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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.