Home / 107,213.22-147,905.73-66,936.92

Finding the Fourth Proportional to 107,213.22, 147,905.73 and 66,936.92

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Solution

The fourth proportional to 107,213.22, 147,905.73 and 66,936.92 is: 92,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,213.22 : 147,905.73 = 66,936.92 : x
  2. Step 2: Convert to fraction form
    107,213.22/147,905.73 = 66,936.92/x
  3. Step 3: Cross multiply
    107,213.22x = 147,905.73 × 66,936.92
  4. Step 4: Simplify right side
    107,213.22x = 9,900,353,277.02
  5. Step 5: Solve for x
    x = 9,900,353,277.02/107,213.22
  6. Step 6: Final answer
    x = 92,342.65

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1.5x scale

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.