Home / 180,109.78-248,552.27-98,439.68

Finding the Fourth Proportional to 180,109.78, 248,552.27 and 98,439.68

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Solution

The fourth proportional to 180,109.78, 248,552.27 and 98,439.68 is: 135,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,109.78 : 248,552.27 = 98,439.68 : x
  2. Step 2: Convert to fraction form
    180,109.78/248,552.27 = 98,439.68/x
  3. Step 3: Cross multiply
    180,109.78x = 248,552.27 × 98,439.68
  4. Step 4: Simplify right side
    180,109.78x = 24,467,404,187.11
  5. Step 5: Solve for x
    x = 24,467,404,187.11/180,109.78
  6. Step 6: Final answer
    x = 135,847.17

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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.