Home / 259,832.51-358,604.45-145,118.20

Finding the Fourth Proportional to 259,832.51, 358,604.45 and 145,118.20

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Solution

The fourth proportional to 259,832.51, 358,604.45 and 145,118.20 is: 200,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,832.51 : 358,604.45 = 145,118.20 : x
  2. Step 2: Convert to fraction form
    259,832.51/358,604.45 = 145,118.20/x
  3. Step 3: Cross multiply
    259,832.51x = 358,604.45 × 145,118.20
  4. Step 4: Simplify right side
    259,832.51x = 52,040,031,570.40
  5. Step 5: Solve for x
    x = 52,040,031,570.40/259,832.51
  6. Step 6: Final answer
    x = 200,282.99

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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.