Home / 140,286.72-210,466.26-40,454.76

Finding the Fourth Proportional to 140,286.72, 210,466.26 and 40,454.76

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Solution

The fourth proportional to 140,286.72, 210,466.26 and 40,454.76 is: 60,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.72 : 210,466.26 = 40,454.76 : x
  2. Step 2: Convert to fraction form
    140,286.72/210,466.26 = 40,454.76/x
  3. Step 3: Cross multiply
    140,286.72x = 210,466.26 × 40,454.76
  4. Step 4: Simplify right side
    140,286.72x = 8,514,362,036.40
  5. Step 5: Solve for x
    x = 8,514,362,036.40/140,286.72
  6. Step 6: Final answer
    x = 60,692.57

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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.