Home / 245,624.25-338,959.07-136,726.86

Finding the Fourth Proportional to 245,624.25, 338,959.07 and 136,726.86

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Solution

The fourth proportional to 245,624.25, 338,959.07 and 136,726.86 is: 188,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,624.25 : 338,959.07 = 136,726.86 : x
  2. Step 2: Convert to fraction form
    245,624.25/338,959.07 = 136,726.86/x
  3. Step 3: Cross multiply
    245,624.25x = 338,959.07 × 136,726.86
  4. Step 4: Simplify right side
    245,624.25x = 46,344,810,498.84
  5. Step 5: Solve for x
    x = 46,344,810,498.84/245,624.25
  6. Step 6: Final answer
    x = 188,681.74

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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.