Home / 196,871.76-271,679.24-107,448.40

Finding the Fourth Proportional to 196,871.76, 271,679.24 and 107,448.40

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Solution

The fourth proportional to 196,871.76, 271,679.24 and 107,448.40 is: 148,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,871.76 : 271,679.24 = 107,448.40 : x
  2. Step 2: Convert to fraction form
    196,871.76/271,679.24 = 107,448.40/x
  3. Step 3: Cross multiply
    196,871.76x = 271,679.24 × 107,448.40
  4. Step 4: Simplify right side
    196,871.76x = 29,191,499,651.22
  5. Step 5: Solve for x
    x = 29,191,499,651.22/196,871.76
  6. Step 6: Final answer
    x = 148,276.72

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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.