Home / 240,574.96-331,991-133,145.20

Finding the Fourth Proportional to 240,574.96, 331,991 and 133,145.20

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Solution

The fourth proportional to 240,574.96, 331,991 and 133,145.20 is: 183,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,574.96 : 331,991 = 133,145.20 : x
  2. Step 2: Convert to fraction form
    240,574.96/331,991 = 133,145.20/x
  3. Step 3: Cross multiply
    240,574.96x = 331,991 × 133,145.20
  4. Step 4: Simplify right side
    240,574.96x = 44,203,008,093.20
  5. Step 5: Solve for x
    x = 44,203,008,093.20/240,574.96
  6. Step 6: Final answer
    x = 183,739.02

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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.