Home / 254,356.29-351,016.07-139,645.58

Finding the Fourth Proportional to 254,356.29, 351,016.07 and 139,645.58

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Solution

The fourth proportional to 254,356.29, 351,016.07 and 139,645.58 is: 192,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,356.29 : 351,016.07 = 139,645.58 : x
  2. Step 2: Convert to fraction form
    254,356.29/351,016.07 = 139,645.58/x
  3. Step 3: Cross multiply
    254,356.29x = 351,016.07 × 139,645.58
  4. Step 4: Simplify right side
    254,356.29x = 49,017,840,231.16
  5. Step 5: Solve for x
    x = 49,017,840,231.16/254,356.29
  6. Step 6: Final answer
    x = 192,713.30

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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.