Home / 90,440.37-124,799.52-50,154

Finding the Fourth Proportional to 90,440.37, 124,799.52 and 50,154

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Solution

The fourth proportional to 90,440.37, 124,799.52 and 50,154 is: 69,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440.37 : 124,799.52 = 50,154 : x
  2. Step 2: Convert to fraction form
    90,440.37/124,799.52 = 50,154/x
  3. Step 3: Cross multiply
    90,440.37x = 124,799.52 × 50,154
  4. Step 4: Simplify right side
    90,440.37x = 6,259,195,126.08
  5. Step 5: Solve for x
    x = 6,259,195,126.08/90,440.37
  6. Step 6: Final answer
    x = 69,207.98

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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.