Home / 90,464.40-124,836.12-50,175

Finding the Fourth Proportional to 90,464.40, 124,836.12 and 50,175

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Solution

The fourth proportional to 90,464.40, 124,836.12 and 50,175 is: 69,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464.40 : 124,836.12 = 50,175 : x
  2. Step 2: Convert to fraction form
    90,464.40/124,836.12 = 50,175/x
  3. Step 3: Cross multiply
    90,464.40x = 124,836.12 × 50,175
  4. Step 4: Simplify right side
    90,464.40x = 6,263,652,321
  5. Step 5: Solve for x
    x = 6,263,652,321/90,464.40
  6. Step 6: Final answer
    x = 69,238.86

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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.