Home / 101,017.12-151,515.60-30,897.04

Finding the Fourth Proportional to 101,017.12, 151,515.60 and 30,897.04

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Solution

The fourth proportional to 101,017.12, 151,515.60 and 30,897.04 is: 46,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,017.12 : 151,515.60 = 30,897.04 : x
  2. Step 2: Convert to fraction form
    101,017.12/151,515.60 = 30,897.04/x
  3. Step 3: Cross multiply
    101,017.12x = 151,515.60 × 30,897.04
  4. Step 4: Simplify right side
    101,017.12x = 4,681,383,553.82
  5. Step 5: Solve for x
    x = 4,681,383,553.82/101,017.12
  6. Step 6: Final answer
    x = 46,342.48

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1.5x scale

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.