Home / 254,589.31-351,333.38-139,875.36

Finding the Fourth Proportional to 254,589.31, 351,333.38 and 139,875.36

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Solution

The fourth proportional to 254,589.31, 351,333.38 and 139,875.36 is: 193,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,589.31 : 351,333.38 = 139,875.36 : x
  2. Step 2: Convert to fraction form
    254,589.31/351,333.38 = 139,875.36/x
  3. Step 3: Cross multiply
    254,589.31x = 351,333.38 × 139,875.36
  4. Step 4: Simplify right side
    254,589.31x = 49,142,882,039.71
  5. Step 5: Solve for x
    x = 49,142,882,039.71/254,589.31
  6. Step 6: Final answer
    x = 193,028.06

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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.