Home / 201,437.10-277,997.67-120,862.62

Finding the Fourth Proportional to 201,437.10, 277,997.67 and 120,862.62

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Solution

The fourth proportional to 201,437.10, 277,997.67 and 120,862.62 is: 166,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,437.10 : 277,997.67 = 120,862.62 : x
  2. Step 2: Convert to fraction form
    201,437.10/277,997.67 = 120,862.62/x
  3. Step 3: Cross multiply
    201,437.10x = 277,997.67 × 120,862.62
  4. Step 4: Simplify right side
    201,437.10x = 33,599,526,750.10
  5. Step 5: Solve for x
    x = 33,599,526,750.10/201,437.10
  6. Step 6: Final answer
    x = 166,799.10

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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.