Home / 251,725.81-377,601.16-71,837.75

Finding the Fourth Proportional to 251,725.81, 377,601.16 and 71,837.75

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Solution

The fourth proportional to 251,725.81, 377,601.16 and 71,837.75 is: 107,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,725.81 : 377,601.16 = 71,837.75 : x
  2. Step 2: Convert to fraction form
    251,725.81/377,601.16 = 71,837.75/x
  3. Step 3: Cross multiply
    251,725.81x = 377,601.16 × 71,837.75
  4. Step 4: Simplify right side
    251,725.81x = 27,126,017,821.59
  5. Step 5: Solve for x
    x = 27,126,017,821.59/251,725.81
  6. Step 6: Final answer
    x = 107,760.18

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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.