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Finding the Fourth Proportional to 202,673.53, 279,706.73 and 117,785.13

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Solution

The fourth proportional to 202,673.53, 279,706.73 and 117,785.13 is: 162,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,673.53 : 279,706.73 = 117,785.13 : x
  2. Step 2: Convert to fraction form
    202,673.53/279,706.73 = 117,785.13/x
  3. Step 3: Cross multiply
    202,673.53x = 279,706.73 × 117,785.13
  4. Step 4: Simplify right side
    202,673.53x = 32,945,293,554.92
  5. Step 5: Solve for x
    x = 32,945,293,554.92/202,673.53
  6. Step 6: Final answer
    x = 162,553.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.