Home / 101,013.12-151,509.60-30,893.04

Finding the Fourth Proportional to 101,013.12, 151,509.60 and 30,893.04

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Solution

The fourth proportional to 101,013.12, 151,509.60 and 30,893.04 is: 46,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,013.12 : 151,509.60 = 30,893.04 : x
  2. Step 2: Convert to fraction form
    101,013.12/151,509.60 = 30,893.04/x
  3. Step 3: Cross multiply
    101,013.12x = 151,509.60 × 30,893.04
  4. Step 4: Simplify right side
    101,013.12x = 4,680,592,133.18
  5. Step 5: Solve for x
    x = 4,680,592,133.18/101,013.12
  6. Step 6: Final answer
    x = 46,336.48

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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.