Home / 221,931.63-306,179.60-141,344.73

Finding the Fourth Proportional to 221,931.63, 306,179.60 and 141,344.73

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Solution

The fourth proportional to 221,931.63, 306,179.60 and 141,344.73 is: 195,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,931.63 : 306,179.60 = 141,344.73 : x
  2. Step 2: Convert to fraction form
    221,931.63/306,179.60 = 141,344.73/x
  3. Step 3: Cross multiply
    221,931.63x = 306,179.60 × 141,344.73
  4. Step 4: Simplify right side
    221,931.63x = 43,276,872,186.78
  5. Step 5: Solve for x
    x = 43,276,872,186.78/221,931.63
  6. Step 6: Final answer
    x = 195,000.92

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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.