Home / 140,499.30-210,650.40-51,741.30

Finding the Fourth Proportional to 140,499.30, 210,650.40 and 51,741.30

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Solution

The fourth proportional to 140,499.30, 210,650.40 and 51,741.30 is: 77,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,499.30 : 210,650.40 = 51,741.30 : x
  2. Step 2: Convert to fraction form
    140,499.30/210,650.40 = 51,741.30/x
  3. Step 3: Cross multiply
    140,499.30x = 210,650.40 × 51,741.30
  4. Step 4: Simplify right side
    140,499.30x = 10,899,325,541.52
  5. Step 5: Solve for x
    x = 10,899,325,541.52/140,499.30
  6. Step 6: Final answer
    x = 77,575.66

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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.