Home / 130,586.01-195,896.43-51,681.78

Finding the Fourth Proportional to 130,586.01, 195,896.43 and 51,681.78

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Solution

The fourth proportional to 130,586.01, 195,896.43 and 51,681.78 is: 77,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,586.01 : 195,896.43 = 51,681.78 : x
  2. Step 2: Convert to fraction form
    130,586.01/195,896.43 = 51,681.78/x
  3. Step 3: Cross multiply
    130,586.01x = 195,896.43 × 51,681.78
  4. Step 4: Simplify right side
    130,586.01x = 10,124,276,198.05
  5. Step 5: Solve for x
    x = 10,124,276,198.05/130,586.01
  6. Step 6: Final answer
    x = 77,529.56

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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.