Home / 97,304.20-145,841.10-72,651.40

Finding the Fourth Proportional to 97,304.20, 145,841.10 and 72,651.40

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Solution

The fourth proportional to 97,304.20, 145,841.10 and 72,651.40 is: 108,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,304.20 : 145,841.10 = 72,651.40 : x
  2. Step 2: Convert to fraction form
    97,304.20/145,841.10 = 72,651.40/x
  3. Step 3: Cross multiply
    97,304.20x = 145,841.10 × 72,651.40
  4. Step 4: Simplify right side
    97,304.20x = 10,595,560,092.54
  5. Step 5: Solve for x
    x = 10,595,560,092.54/97,304.20
  6. Step 6: Final answer
    x = 108,891.09

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1.5x scale

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.