Home / 185,638.08-278,457.12-45,395.04

Finding the Fourth Proportional to 185,638.08, 278,457.12 and 45,395.04

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Solution

The fourth proportional to 185,638.08, 278,457.12 and 45,395.04 is: 68,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,638.08 : 278,457.12 = 45,395.04 : x
  2. Step 2: Convert to fraction form
    185,638.08/278,457.12 = 45,395.04/x
  3. Step 3: Cross multiply
    185,638.08x = 278,457.12 × 45,395.04
  4. Step 4: Simplify right side
    185,638.08x = 12,640,572,100.68
  5. Step 5: Solve for x
    x = 12,640,572,100.68/185,638.08
  6. Step 6: Final answer
    x = 68,092.56

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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.