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Finding the Fourth Proportional to 107,351.94, 148,146.30 and 58,955.94

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Solution

The fourth proportional to 107,351.94, 148,146.30 and 58,955.94 is: 81,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,351.94 : 148,146.30 = 58,955.94 : x
  2. Step 2: Convert to fraction form
    107,351.94/148,146.30 = 58,955.94/x
  3. Step 3: Cross multiply
    107,351.94x = 148,146.30 × 58,955.94
  4. Step 4: Simplify right side
    107,351.94x = 8,734,104,374.02
  5. Step 5: Solve for x
    x = 8,734,104,374.02/107,351.94
  6. Step 6: Final answer
    x = 81,359.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.