Home / 90,467.89-124,860.63-50,194.63

Finding the Fourth Proportional to 90,467.89, 124,860.63 and 50,194.63

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Solution

The fourth proportional to 90,467.89, 124,860.63 and 50,194.63 is: 69,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,467.89 : 124,860.63 = 50,194.63 : x
  2. Step 2: Convert to fraction form
    90,467.89/124,860.63 = 50,194.63/x
  3. Step 3: Cross multiply
    90,467.89x = 124,860.63 × 50,194.63
  4. Step 4: Simplify right side
    90,467.89x = 6,267,333,124.42
  5. Step 5: Solve for x
    x = 6,267,333,124.42/90,467.89
  6. Step 6: Final answer
    x = 69,276.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.