Home / 185,363.06-278,066.21-67,090.10

Finding the Fourth Proportional to 185,363.06, 278,066.21 and 67,090.10

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Solution

The fourth proportional to 185,363.06, 278,066.21 and 67,090.10 is: 100,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,363.06 : 278,066.21 = 67,090.10 : x
  2. Step 2: Convert to fraction form
    185,363.06/278,066.21 = 67,090.10/x
  3. Step 3: Cross multiply
    185,363.06x = 278,066.21 × 67,090.10
  4. Step 4: Simplify right side
    185,363.06x = 18,655,488,109.74
  5. Step 5: Solve for x
    x = 18,655,488,109.74/185,363.06
  6. Step 6: Final answer
    x = 100,642.97

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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.