Home / 107,469.42-148,283.11-66,670.25

Finding the Fourth Proportional to 107,469.42, 148,283.11 and 66,670.25

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Solution

The fourth proportional to 107,469.42, 148,283.11 and 66,670.25 is: 91,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.42 : 148,283.11 = 66,670.25 : x
  2. Step 2: Convert to fraction form
    107,469.42/148,283.11 = 66,670.25/x
  3. Step 3: Cross multiply
    107,469.42x = 148,283.11 × 66,670.25
  4. Step 4: Simplify right side
    107,469.42x = 9,886,072,014.48
  5. Step 5: Solve for x
    x = 9,886,072,014.48/107,469.42
  6. Step 6: Final answer
    x = 91,989.63

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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.