Home / 254,032.32-381,048.50-85,538.55

Finding the Fourth Proportional to 254,032.32, 381,048.50 and 85,538.55

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Solution

The fourth proportional to 254,032.32, 381,048.50 and 85,538.55 is: 128,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,032.32 : 381,048.50 = 85,538.55 : x
  2. Step 2: Convert to fraction form
    254,032.32/381,048.50 = 85,538.55/x
  3. Step 3: Cross multiply
    254,032.32x = 381,048.50 × 85,538.55
  4. Step 4: Simplify right side
    254,032.32x = 32,594,336,169.68
  5. Step 5: Solve for x
    x = 32,594,336,169.68/254,032.32
  6. Step 6: Final answer
    x = 128,307.83

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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.