Home / 97,786.60-146,684.70-51,130.60

Finding the Fourth Proportional to 97,786.60, 146,684.70 and 51,130.60

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Solution

The fourth proportional to 97,786.60, 146,684.70 and 51,130.60 is: 76,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,786.60 : 146,684.70 = 51,130.60 : x
  2. Step 2: Convert to fraction form
    97,786.60/146,684.70 = 51,130.60/x
  3. Step 3: Cross multiply
    97,786.60x = 146,684.70 × 51,130.60
  4. Step 4: Simplify right side
    97,786.60x = 7,500,076,721.82
  5. Step 5: Solve for x
    x = 7,500,076,721.82/97,786.60
  6. Step 6: Final answer
    x = 76,698.41

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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.