Home / 136,935.40-204,999.90-102,029.80

Finding the Fourth Proportional to 136,935.40, 204,999.90 and 102,029.80

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Solution

The fourth proportional to 136,935.40, 204,999.90 and 102,029.80 is: 152,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.40 : 204,999.90 = 102,029.80 : x
  2. Step 2: Convert to fraction form
    136,935.40/204,999.90 = 102,029.80/x
  3. Step 3: Cross multiply
    136,935.40x = 204,999.90 × 102,029.80
  4. Step 4: Simplify right side
    136,935.40x = 20,916,098,797.02
  5. Step 5: Solve for x
    x = 20,916,098,797.02/136,935.40
  6. Step 6: Final answer
    x = 152,744.28

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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.