Home / 145,845.80-218,768.70-136,004.30

Finding the Fourth Proportional to 145,845.80, 218,768.70 and 136,004.30

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Solution

The fourth proportional to 145,845.80, 218,768.70 and 136,004.30 is: 204,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,845.80 : 218,768.70 = 136,004.30 : x
  2. Step 2: Convert to fraction form
    145,845.80/218,768.70 = 136,004.30/x
  3. Step 3: Cross multiply
    145,845.80x = 218,768.70 × 136,004.30
  4. Step 4: Simplify right side
    145,845.80x = 29,753,483,905.41
  5. Step 5: Solve for x
    x = 29,753,483,905.41/145,845.80
  6. Step 6: Final answer
    x = 204,006.45

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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.