Home / 114,875.09-158,504.19-67,119.21

Finding the Fourth Proportional to 114,875.09, 158,504.19 and 67,119.21

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Solution

The fourth proportional to 114,875.09, 158,504.19 and 67,119.21 is: 92,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,875.09 : 158,504.19 = 67,119.21 : x
  2. Step 2: Convert to fraction form
    114,875.09/158,504.19 = 67,119.21/x
  3. Step 3: Cross multiply
    114,875.09x = 158,504.19 × 67,119.21
  4. Step 4: Simplify right side
    114,875.09x = 10,638,675,221.97
  5. Step 5: Solve for x
    x = 10,638,675,221.97/114,875.09
  6. Step 6: Final answer
    x = 92,610.81

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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.