Home / 101,139.10-151,769.40-41,968.60

Finding the Fourth Proportional to 101,139.10, 151,769.40 and 41,968.60

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Solution

The fourth proportional to 101,139.10, 151,769.40 and 41,968.60 is: 62,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,139.10 : 151,769.40 = 41,968.60 : x
  2. Step 2: Convert to fraction form
    101,139.10/151,769.40 = 41,968.60/x
  3. Step 3: Cross multiply
    101,139.10x = 151,769.40 × 41,968.60
  4. Step 4: Simplify right side
    101,139.10x = 6,369,549,240.84
  5. Step 5: Solve for x
    x = 6,369,549,240.84/101,139.10
  6. Step 6: Final answer
    x = 62,978.11

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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.