Home / 180,199.05-248,693.19-103,720.86

Finding the Fourth Proportional to 180,199.05, 248,693.19 and 103,720.86

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Solution

The fourth proportional to 180,199.05, 248,693.19 and 103,720.86 is: 143,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,199.05 : 248,693.19 = 103,720.86 : x
  2. Step 2: Convert to fraction form
    180,199.05/248,693.19 = 103,720.86/x
  3. Step 3: Cross multiply
    180,199.05x = 248,693.19 × 103,720.86
  4. Step 4: Simplify right side
    180,199.05x = 25,794,671,542.94
  5. Step 5: Solve for x
    x = 25,794,671,542.94/180,199.05
  6. Step 6: Final answer
    x = 143,145.44

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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.