Home / 254,510.20-381,911.10-96,851.80

Finding the Fourth Proportional to 254,510.20, 381,911.10 and 96,851.80

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Solution

The fourth proportional to 254,510.20, 381,911.10 and 96,851.80 is: 145,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,510.20 : 381,911.10 = 96,851.80 : x
  2. Step 2: Convert to fraction form
    254,510.20/381,911.10 = 96,851.80/x
  3. Step 3: Cross multiply
    254,510.20x = 381,911.10 × 96,851.80
  4. Step 4: Simplify right side
    254,510.20x = 36,988,777,474.98
  5. Step 5: Solve for x
    x = 36,988,777,474.98/254,510.20
  6. Step 6: Final answer
    x = 145,333.18

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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.