Home / 102,119.64-140,777.34-67,606.56

Finding the Fourth Proportional to 102,119.64, 140,777.34 and 67,606.56

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Solution

The fourth proportional to 102,119.64, 140,777.34 and 67,606.56 is: 93,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,119.64 : 140,777.34 = 67,606.56 : x
  2. Step 2: Convert to fraction form
    102,119.64/140,777.34 = 67,606.56/x
  3. Step 3: Cross multiply
    102,119.64x = 140,777.34 × 67,606.56
  4. Step 4: Simplify right side
    102,119.64x = 9,517,471,683.35
  5. Step 5: Solve for x
    x = 9,517,471,683.35/102,119.64
  6. Step 6: Final answer
    x = 93,199.23

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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.