Home / 254,343.40-381,515.10-88,148.20

Finding the Fourth Proportional to 254,343.40, 381,515.10 and 88,148.20

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Solution

The fourth proportional to 254,343.40, 381,515.10 and 88,148.20 is: 132,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,343.40 : 381,515.10 = 88,148.20 : x
  2. Step 2: Convert to fraction form
    254,343.40/381,515.10 = 88,148.20/x
  3. Step 3: Cross multiply
    254,343.40x = 381,515.10 × 88,148.20
  4. Step 4: Simplify right side
    254,343.40x = 33,629,869,337.82
  5. Step 5: Solve for x
    x = 33,629,869,337.82/254,343.40
  6. Step 6: Final answer
    x = 132,222.30

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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.