Home / 90,185.36-124,455.12-50,441.36

Finding the Fourth Proportional to 90,185.36, 124,455.12 and 50,441.36

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Solution

The fourth proportional to 90,185.36, 124,455.12 and 50,441.36 is: 69,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,185.36 : 124,455.12 = 50,441.36 : x
  2. Step 2: Convert to fraction form
    90,185.36/124,455.12 = 50,441.36/x
  3. Step 3: Cross multiply
    90,185.36x = 124,455.12 × 50,441.36
  4. Step 4: Simplify right side
    90,185.36x = 6,277,685,511.76
  5. Step 5: Solve for x
    x = 6,277,685,511.76/90,185.36
  6. Step 6: Final answer
    x = 69,608.70

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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.