Home / 140,640.30-210,927.63-40,773.69

Finding the Fourth Proportional to 140,640.30, 210,927.63 and 40,773.69

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Solution

The fourth proportional to 140,640.30, 210,927.63 and 40,773.69 is: 61,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,640.30 : 210,927.63 = 40,773.69 : x
  2. Step 2: Convert to fraction form
    140,640.30/210,927.63 = 40,773.69/x
  3. Step 3: Cross multiply
    140,640.30x = 210,927.63 × 40,773.69
  4. Step 4: Simplify right side
    140,640.30x = 8,600,297,798.05
  5. Step 5: Solve for x
    x = 8,600,297,798.05/140,640.30
  6. Step 6: Final answer
    x = 61,151.02

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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.