Home / 180,021.22-248,443.82-99,455.79

Finding the Fourth Proportional to 180,021.22, 248,443.82 and 99,455.79

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Solution

The fourth proportional to 180,021.22, 248,443.82 and 99,455.79 is: 137,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,021.22 : 248,443.82 = 99,455.79 : x
  2. Step 2: Convert to fraction form
    180,021.22/248,443.82 = 99,455.79/x
  3. Step 3: Cross multiply
    180,021.22x = 248,443.82 × 99,455.79
  4. Step 4: Simplify right side
    180,021.22x = 24,709,176,388.72
  5. Step 5: Solve for x
    x = 24,709,176,388.72/180,021.22
  6. Step 6: Final answer
    x = 137,257.02

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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.