Home / 245,954.12-339,417.36-142,608.38

Finding the Fourth Proportional to 245,954.12, 339,417.36 and 142,608.38

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Solution

The fourth proportional to 245,954.12, 339,417.36 and 142,608.38 is: 196,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,954.12 : 339,417.36 = 142,608.38 : x
  2. Step 2: Convert to fraction form
    245,954.12/339,417.36 = 142,608.38/x
  3. Step 3: Cross multiply
    245,954.12x = 339,417.36 × 142,608.38
  4. Step 4: Simplify right side
    245,954.12x = 48,403,759,140.43
  5. Step 5: Solve for x
    x = 48,403,759,140.43/245,954.12
  6. Step 6: Final answer
    x = 196,799.95

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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.