Home / 130,161.69-195,242.54-41,415.39

Finding the Fourth Proportional to 130,161.69, 195,242.54 and 41,415.39

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Solution

The fourth proportional to 130,161.69, 195,242.54 and 41,415.39 is: 62,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,161.69 : 195,242.54 = 41,415.39 : x
  2. Step 2: Convert to fraction form
    130,161.69/195,242.54 = 41,415.39/x
  3. Step 3: Cross multiply
    130,161.69x = 195,242.54 × 41,415.39
  4. Step 4: Simplify right side
    130,161.69x = 8,086,045,731.61
  5. Step 5: Solve for x
    x = 8,086,045,731.61/130,161.69
  6. Step 6: Final answer
    x = 62,123.09

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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.