Home / 254,012.24-381,032.76-76,543.76

Finding the Fourth Proportional to 254,012.24, 381,032.76 and 76,543.76

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Solution

The fourth proportional to 254,012.24, 381,032.76 and 76,543.76 is: 114,819.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,012.24 : 381,032.76 = 76,543.76 : x
  2. Step 2: Convert to fraction form
    254,012.24/381,032.76 = 76,543.76/x
  3. Step 3: Cross multiply
    254,012.24x = 381,032.76 × 76,543.76
  4. Step 4: Simplify right side
    254,012.24x = 29,165,680,133.58
  5. Step 5: Solve for x
    x = 29,165,680,133.58/254,012.24
  6. Step 6: Final answer
    x = 114,819.98

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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.