Home / 248,246.25-342,585.30-135,069

Finding the Fourth Proportional to 248,246.25, 342,585.30 and 135,069

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Solution

The fourth proportional to 248,246.25, 342,585.30 and 135,069 is: 186,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,246.25 : 342,585.30 = 135,069 : x
  2. Step 2: Convert to fraction form
    248,246.25/342,585.30 = 135,069/x
  3. Step 3: Cross multiply
    248,246.25x = 342,585.30 × 135,069
  4. Step 4: Simplify right side
    248,246.25x = 46,272,653,885.70
  5. Step 5: Solve for x
    x = 46,272,653,885.70/248,246.25
  6. Step 6: Final answer
    x = 186,398.20

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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.