Home / 140,192.72-210,288-35,010.98

Finding the Fourth Proportional to 140,192.72, 210,288 and 35,010.98

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Solution

The fourth proportional to 140,192.72, 210,288 and 35,010.98 is: 52,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,192.72 : 210,288 = 35,010.98 : x
  2. Step 2: Convert to fraction form
    140,192.72/210,288 = 35,010.98/x
  3. Step 3: Cross multiply
    140,192.72x = 210,288 × 35,010.98
  4. Step 4: Simplify right side
    140,192.72x = 7,362,388,962.24
  5. Step 5: Solve for x
    x = 7,362,388,962.24/140,192.72
  6. Step 6: Final answer
    x = 52,516.20

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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.