Home / 268,736.80-403,105.20-97,971.32

Finding the Fourth Proportional to 268,736.80, 403,105.20 and 97,971.32

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Solution

The fourth proportional to 268,736.80, 403,105.20 and 97,971.32 is: 146,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,736.80 : 403,105.20 = 97,971.32 : x
  2. Step 2: Convert to fraction form
    268,736.80/403,105.20 = 97,971.32/x
  3. Step 3: Cross multiply
    268,736.80x = 403,105.20 × 97,971.32
  4. Step 4: Simplify right side
    268,736.80x = 39,492,748,542.86
  5. Step 5: Solve for x
    x = 39,492,748,542.86/268,736.80
  6. Step 6: Final answer
    x = 146,956.98

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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.