Home / 136,223.14-204,369.27-42,729.70

Finding the Fourth Proportional to 136,223.14, 204,369.27 and 42,729.70

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Solution

The fourth proportional to 136,223.14, 204,369.27 and 42,729.70 is: 64,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,223.14 : 204,369.27 = 42,729.70 : x
  2. Step 2: Convert to fraction form
    136,223.14/204,369.27 = 42,729.70/x
  3. Step 3: Cross multiply
    136,223.14x = 204,369.27 × 42,729.70
  4. Step 4: Simplify right side
    136,223.14x = 8,732,637,596.32
  5. Step 5: Solve for x
    x = 8,732,637,596.32/136,223.14
  6. Step 6: Final answer
    x = 64,105.39

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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.