Home / 140,119.48-210,150.06-55,827.64

Finding the Fourth Proportional to 140,119.48, 210,150.06 and 55,827.64

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Solution

The fourth proportional to 140,119.48, 210,150.06 and 55,827.64 is: 83,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.48 : 210,150.06 = 55,827.64 : x
  2. Step 2: Convert to fraction form
    140,119.48/210,150.06 = 55,827.64/x
  3. Step 3: Cross multiply
    140,119.48x = 210,150.06 × 55,827.64
  4. Step 4: Simplify right side
    140,119.48x = 11,732,181,895.66
  5. Step 5: Solve for x
    x = 11,732,181,895.66/140,119.48
  6. Step 6: Final answer
    x = 83,729.84

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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.