Home / 90,467.64-124,860.28-50,194.36

Finding the Fourth Proportional to 90,467.64, 124,860.28 and 50,194.36

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Solution

The fourth proportional to 90,467.64, 124,860.28 and 50,194.36 is: 69,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,467.64 : 124,860.28 = 50,194.36 : x
  2. Step 2: Convert to fraction form
    90,467.64/124,860.28 = 50,194.36/x
  3. Step 3: Cross multiply
    90,467.64x = 124,860.28 × 50,194.36
  4. Step 4: Simplify right side
    90,467.64x = 6,267,281,844.02
  5. Step 5: Solve for x
    x = 6,267,281,844.02/90,467.64
  6. Step 6: Final answer
    x = 69,276.50

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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.