Home / 198,401.14-297,348.63-92,987.86

Finding the Fourth Proportional to 198,401.14, 297,348.63 and 92,987.86

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Solution

The fourth proportional to 198,401.14, 297,348.63 and 92,987.86 is: 139,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,401.14 : 297,348.63 = 92,987.86 : x
  2. Step 2: Convert to fraction form
    198,401.14/297,348.63 = 92,987.86/x
  3. Step 3: Cross multiply
    198,401.14x = 297,348.63 × 92,987.86
  4. Step 4: Simplify right side
    198,401.14x = 27,649,812,777.63
  5. Step 5: Solve for x
    x = 27,649,812,777.63/198,401.14
  6. Step 6: Final answer
    x = 139,363.17

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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.