Home / 245,196.24-338,371.08-137,766.21

Finding the Fourth Proportional to 245,196.24, 338,371.08 and 137,766.21

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Solution

The fourth proportional to 245,196.24, 338,371.08 and 137,766.21 is: 190,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,196.24 : 338,371.08 = 137,766.21 : x
  2. Step 2: Convert to fraction form
    245,196.24/338,371.08 = 137,766.21/x
  3. Step 3: Cross multiply
    245,196.24x = 338,371.08 × 137,766.21
  4. Step 4: Simplify right side
    245,196.24x = 46,616,101,265.21
  5. Step 5: Solve for x
    x = 46,616,101,265.21/245,196.24
  6. Step 6: Final answer
    x = 190,117.52

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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.