Home / 318,122.10-476,833.23-131,031.54

Finding the Fourth Proportional to 318,122.10, 476,833.23 and 131,031.54

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Solution

The fourth proportional to 318,122.10, 476,833.23 and 131,031.54 is: 196,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,122.10 : 476,833.23 = 131,031.54 : x
  2. Step 2: Convert to fraction form
    318,122.10/476,833.23 = 131,031.54/x
  3. Step 3: Cross multiply
    318,122.10x = 476,833.23 × 131,031.54
  4. Step 4: Simplify right side
    318,122.10x = 62,480,192,450.07
  5. Step 5: Solve for x
    x = 62,480,192,450.07/318,122.10
  6. Step 6: Final answer
    x = 196,403.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.