Home / 180,021.72-248,444.52-99,456.30

Finding the Fourth Proportional to 180,021.72, 248,444.52 and 99,456.30

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Solution

The fourth proportional to 180,021.72, 248,444.52 and 99,456.30 is: 137,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,021.72 : 248,444.52 = 99,456.30 : x
  2. Step 2: Convert to fraction form
    180,021.72/248,444.52 = 99,456.30/x
  3. Step 3: Cross multiply
    180,021.72x = 248,444.52 × 99,456.30
  4. Step 4: Simplify right side
    180,021.72x = 24,709,372,714.48
  5. Step 5: Solve for x
    x = 24,709,372,714.48/180,021.72
  6. Step 6: Final answer
    x = 137,257.73

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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.