Home / 124,928.18-187,091.96-71,458.10

Finding the Fourth Proportional to 124,928.18, 187,091.96 and 71,458.10

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Solution

The fourth proportional to 124,928.18, 187,091.96 and 71,458.10 is: 107,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.18 : 187,091.96 = 71,458.10 : x
  2. Step 2: Convert to fraction form
    124,928.18/187,091.96 = 71,458.10/x
  3. Step 3: Cross multiply
    124,928.18x = 187,091.96 × 71,458.10
  4. Step 4: Simplify right side
    124,928.18x = 13,369,235,986.88
  5. Step 5: Solve for x
    x = 13,369,235,986.88/124,928.18
  6. Step 6: Final answer
    x = 107,015.37

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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.