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Finding the Fourth Proportional to 124,145.40, 186,203.70 and 35,412.60

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Solution

The fourth proportional to 124,145.40, 186,203.70 and 35,412.60 is: 53,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.40 : 186,203.70 = 35,412.60 : x
  2. Step 2: Convert to fraction form
    124,145.40/186,203.70 = 35,412.60/x
  3. Step 3: Cross multiply
    124,145.40x = 186,203.70 × 35,412.60
  4. Step 4: Simplify right side
    124,145.40x = 6,593,957,146.62
  5. Step 5: Solve for x
    x = 6,593,957,146.62/124,145.40
  6. Step 6: Final answer
    x = 53,114.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.