Home / 140,060.45-210,090.68-51,277.97

Finding the Fourth Proportional to 140,060.45, 210,090.68 and 51,277.97

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Solution

The fourth proportional to 140,060.45, 210,090.68 and 51,277.97 is: 76,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,060.45 : 210,090.68 = 51,277.97 : x
  2. Step 2: Convert to fraction form
    140,060.45/210,090.68 = 51,277.97/x
  3. Step 3: Cross multiply
    140,060.45x = 210,090.68 × 51,277.97
  4. Step 4: Simplify right side
    140,060.45x = 10,773,023,586.32
  5. Step 5: Solve for x
    x = 10,773,023,586.32/140,060.45
  6. Step 6: Final answer
    x = 76,916.96

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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.