Home / 130,597.78-195,781.80-51,767.34

Finding the Fourth Proportional to 130,597.78, 195,781.80 and 51,767.34

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Solution

The fourth proportional to 130,597.78, 195,781.80 and 51,767.34 is: 77,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,597.78 : 195,781.80 = 51,767.34 : x
  2. Step 2: Convert to fraction form
    130,597.78/195,781.80 = 51,767.34/x
  3. Step 3: Cross multiply
    130,597.78x = 195,781.80 × 51,767.34
  4. Step 4: Simplify right side
    130,597.78x = 10,135,103,006.41
  5. Step 5: Solve for x
    x = 10,135,103,006.41/130,597.78
  6. Step 6: Final answer
    x = 77,605.48

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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.