Home / 99,897.38-149,697.75-40,660.58

Finding the Fourth Proportional to 99,897.38, 149,697.75 and 40,660.58

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Solution

The fourth proportional to 99,897.38, 149,697.75 and 40,660.58 is: 60,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,897.38 : 149,697.75 = 40,660.58 : x
  2. Step 2: Convert to fraction form
    99,897.38/149,697.75 = 40,660.58/x
  3. Step 3: Cross multiply
    99,897.38x = 149,697.75 × 40,660.58
  4. Step 4: Simplify right side
    99,897.38x = 6,086,797,339.70
  5. Step 5: Solve for x
    x = 6,086,797,339.70/99,897.38
  6. Step 6: Final answer
    x = 60,930.50

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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.