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Finding the Fourth Proportional to 103,100.40, 154,562.81 and 46,920.83

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Solution

The fourth proportional to 103,100.40, 154,562.81 and 46,920.83 is: 70,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,100.40 : 154,562.81 = 46,920.83 : x
  2. Step 2: Convert to fraction form
    103,100.40/154,562.81 = 46,920.83/x
  3. Step 3: Cross multiply
    103,100.40x = 154,562.81 × 46,920.83
  4. Step 4: Simplify right side
    103,100.40x = 7,252,214,324.91
  5. Step 5: Solve for x
    x = 7,252,214,324.91/103,100.40
  6. Step 6: Final answer
    x = 70,341.28

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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.