Home / 185,457.70-278,093.40-90,695.26

Finding the Fourth Proportional to 185,457.70, 278,093.40 and 90,695.26

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Solution

The fourth proportional to 185,457.70, 278,093.40 and 90,695.26 is: 135,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,457.70 : 278,093.40 = 90,695.26 : x
  2. Step 2: Convert to fraction form
    185,457.70/278,093.40 = 90,695.26/x
  3. Step 3: Cross multiply
    185,457.70x = 278,093.40 × 90,695.26
  4. Step 4: Simplify right side
    185,457.70x = 25,221,753,217.28
  5. Step 5: Solve for x
    x = 25,221,753,217.28/185,457.70
  6. Step 6: Final answer
    x = 135,997.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.