Home / 245,158.30-338,316.42-137,726.04

Finding the Fourth Proportional to 245,158.30, 338,316.42 and 137,726.04

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Solution

The fourth proportional to 245,158.30, 338,316.42 and 137,726.04 is: 190,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,158.30 : 338,316.42 = 137,726.04 : x
  2. Step 2: Convert to fraction form
    245,158.30/338,316.42 = 137,726.04/x
  3. Step 3: Cross multiply
    245,158.30x = 338,316.42 × 137,726.04
  4. Step 4: Simplify right side
    245,158.30x = 46,594,980,793.58
  5. Step 5: Solve for x
    x = 46,594,980,793.58/245,158.30
  6. Step 6: Final answer
    x = 190,060.79

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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.