Home / 259,759.23-358,466.20-145,031.23

Finding the Fourth Proportional to 259,759.23, 358,466.20 and 145,031.23

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Solution

The fourth proportional to 259,759.23, 358,466.20 and 145,031.23 is: 200,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,759.23 : 358,466.20 = 145,031.23 : x
  2. Step 2: Convert to fraction form
    259,759.23/358,466.20 = 145,031.23/x
  3. Step 3: Cross multiply
    259,759.23x = 358,466.20 × 145,031.23
  4. Step 4: Simplify right side
    259,759.23x = 51,988,793,899.43
  5. Step 5: Solve for x
    x = 51,988,793,899.43/259,759.23
  6. Step 6: Final answer
    x = 200,142.24

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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.