Home / 140,087.35-210,006.20-51,320.09

Finding the Fourth Proportional to 140,087.35, 210,006.20 and 51,320.09

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Solution

The fourth proportional to 140,087.35, 210,006.20 and 51,320.09 is: 76,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,087.35 : 210,006.20 = 51,320.09 : x
  2. Step 2: Convert to fraction form
    140,087.35/210,006.20 = 51,320.09/x
  3. Step 3: Cross multiply
    140,087.35x = 210,006.20 × 51,320.09
  4. Step 4: Simplify right side
    140,087.35x = 10,777,537,737.87
  5. Step 5: Solve for x
    x = 10,777,537,737.87/140,087.35
  6. Step 6: Final answer
    x = 76,934.41

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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.