Home / 140,127.08-210,273.69-131,261.02

Finding the Fourth Proportional to 140,127.08, 210,273.69 and 131,261.02

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Solution

The fourth proportional to 140,127.08, 210,273.69 and 131,261.02 is: 196,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,127.08 : 210,273.69 = 131,261.02 : x
  2. Step 2: Convert to fraction form
    140,127.08/210,273.69 = 131,261.02/x
  3. Step 3: Cross multiply
    140,127.08x = 210,273.69 × 131,261.02
  4. Step 4: Simplify right side
    140,127.08x = 27,600,738,502.88
  5. Step 5: Solve for x
    x = 27,600,738,502.88/140,127.08
  6. Step 6: Final answer
    x = 196,969.35

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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.