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Finding the Fourth Proportional to 124,121.40, 186,182.10 and 49,259.40

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Solution

The fourth proportional to 124,121.40, 186,182.10 and 49,259.40 is: 73,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.40 : 186,182.10 = 49,259.40 : x
  2. Step 2: Convert to fraction form
    124,121.40/186,182.10 = 49,259.40/x
  3. Step 3: Cross multiply
    124,121.40x = 186,182.10 × 49,259.40
  4. Step 4: Simplify right side
    124,121.40x = 9,171,218,536.74
  5. Step 5: Solve for x
    x = 9,171,218,536.74/124,121.40
  6. Step 6: Final answer
    x = 73,889.10

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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.