Home / 221,892.04-306,175.62-126,400.60

Finding the Fourth Proportional to 221,892.04, 306,175.62 and 126,400.60

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Solution

The fourth proportional to 221,892.04, 306,175.62 and 126,400.60 is: 174,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,892.04 : 306,175.62 = 126,400.60 : x
  2. Step 2: Convert to fraction form
    221,892.04/306,175.62 = 126,400.60/x
  3. Step 3: Cross multiply
    221,892.04x = 306,175.62 × 126,400.60
  4. Step 4: Simplify right side
    221,892.04x = 38,700,782,073.37
  5. Step 5: Solve for x
    x = 38,700,782,073.37/221,892.04
  6. Step 6: Final answer
    x = 174,412.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.