Home / 130,058.70-195,039.45-51,156.60

Finding the Fourth Proportional to 130,058.70, 195,039.45 and 51,156.60

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Solution

The fourth proportional to 130,058.70, 195,039.45 and 51,156.60 is: 76,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,058.70 : 195,039.45 = 51,156.60 : x
  2. Step 2: Convert to fraction form
    130,058.70/195,039.45 = 51,156.60/x
  3. Step 3: Cross multiply
    130,058.70x = 195,039.45 × 51,156.60
  4. Step 4: Simplify right side
    130,058.70x = 9,977,555,127.87
  5. Step 5: Solve for x
    x = 9,977,555,127.87/130,058.70
  6. Step 6: Final answer
    x = 76,715.78

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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.