Home / 245,214.42-338,427.36-137,784.66

Finding the Fourth Proportional to 245,214.42, 338,427.36 and 137,784.66

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Solution

The fourth proportional to 245,214.42, 338,427.36 and 137,784.66 is: 190,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,214.42 : 338,427.36 = 137,784.66 : x
  2. Step 2: Convert to fraction form
    245,214.42/338,427.36 = 137,784.66/x
  3. Step 3: Cross multiply
    245,214.42x = 338,427.36 × 137,784.66
  4. Step 4: Simplify right side
    245,214.42x = 46,630,098,732.30
  5. Step 5: Solve for x
    x = 46,630,098,732.30/245,214.42
  6. Step 6: Final answer
    x = 190,160.51

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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.