Home / 115,480.37-159,328.05-67,072.95

Finding the Fourth Proportional to 115,480.37, 159,328.05 and 67,072.95

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Solution

The fourth proportional to 115,480.37, 159,328.05 and 67,072.95 is: 92,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,480.37 : 159,328.05 = 67,072.95 : x
  2. Step 2: Convert to fraction form
    115,480.37/159,328.05 = 67,072.95/x
  3. Step 3: Cross multiply
    115,480.37x = 159,328.05 × 67,072.95
  4. Step 4: Simplify right side
    115,480.37x = 10,686,602,331.25
  5. Step 5: Solve for x
    x = 10,686,602,331.25/115,480.37
  6. Step 6: Final answer
    x = 92,540.43

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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.