Home / 254,273.81-350,902.31-139,563.18

Finding the Fourth Proportional to 254,273.81, 350,902.31 and 139,563.18

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Solution

The fourth proportional to 254,273.81, 350,902.31 and 139,563.18 is: 192,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,273.81 : 350,902.31 = 139,563.18 : x
  2. Step 2: Convert to fraction form
    254,273.81/350,902.31 = 139,563.18/x
  3. Step 3: Cross multiply
    254,273.81x = 350,902.31 × 139,563.18
  4. Step 4: Simplify right side
    254,273.81x = 48,973,041,555.13
  5. Step 5: Solve for x
    x = 48,973,041,555.13/254,273.81
  6. Step 6: Final answer
    x = 192,599.63

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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.