Home / 245,058.24-338,187.96-137,630.58

Finding the Fourth Proportional to 245,058.24, 338,187.96 and 137,630.58

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Solution

The fourth proportional to 245,058.24, 338,187.96 and 137,630.58 is: 189,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,058.24 : 338,187.96 = 137,630.58 : x
  2. Step 2: Convert to fraction form
    245,058.24/338,187.96 = 137,630.58/x
  3. Step 3: Cross multiply
    245,058.24x = 338,187.96 × 137,630.58
  4. Step 4: Simplify right side
    245,058.24x = 46,545,005,083.82
  5. Step 5: Solve for x
    x = 46,545,005,083.82/245,058.24
  6. Step 6: Final answer
    x = 189,934.46

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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.