Home / 136,673.16-204,583.12-100,690.28

Finding the Fourth Proportional to 136,673.16, 204,583.12 and 100,690.28

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Solution

The fourth proportional to 136,673.16, 204,583.12 and 100,690.28 is: 150,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,673.16 : 204,583.12 = 100,690.28 : x
  2. Step 2: Convert to fraction form
    136,673.16/204,583.12 = 100,690.28/x
  3. Step 3: Cross multiply
    136,673.16x = 204,583.12 × 100,690.28
  4. Step 4: Simplify right side
    136,673.16x = 20,599,531,636.07
  5. Step 5: Solve for x
    x = 20,599,531,636.07/136,673.16
  6. Step 6: Final answer
    x = 150,721.12

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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.