Home / 100,031.42-150,046.34-40,825.58

Finding the Fourth Proportional to 100,031.42, 150,046.34 and 40,825.58

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Solution

The fourth proportional to 100,031.42, 150,046.34 and 40,825.58 is: 61,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,031.42 : 150,046.34 = 40,825.58 : x
  2. Step 2: Convert to fraction form
    100,031.42/150,046.34 = 40,825.58/x
  3. Step 3: Cross multiply
    100,031.42x = 150,046.34 × 40,825.58
  4. Step 4: Simplify right side
    100,031.42x = 6,125,727,903.02
  5. Step 5: Solve for x
    x = 6,125,727,903.02/100,031.42
  6. Step 6: Final answer
    x = 61,238.04

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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.