Home / 196,634.72-271,355.28-107,210.72

Finding the Fourth Proportional to 196,634.72, 271,355.28 and 107,210.72

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Solution

The fourth proportional to 196,634.72, 271,355.28 and 107,210.72 is: 147,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,634.72 : 271,355.28 = 107,210.72 : x
  2. Step 2: Convert to fraction form
    196,634.72/271,355.28 = 107,210.72/x
  3. Step 3: Cross multiply
    196,634.72x = 271,355.28 × 107,210.72
  4. Step 4: Simplify right side
    196,634.72x = 29,092,194,944.60
  5. Step 5: Solve for x
    x = 29,092,194,944.60/196,634.72
  6. Step 6: Final answer
    x = 147,950.45

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1.5x scale

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.