Home / 163,112.64-225,109.02-90,522.37

Finding the Fourth Proportional to 163,112.64, 225,109.02 and 90,522.37

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Solution

The fourth proportional to 163,112.64, 225,109.02 and 90,522.37 is: 124,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,112.64 : 225,109.02 = 90,522.37 : x
  2. Step 2: Convert to fraction form
    163,112.64/225,109.02 = 90,522.37/x
  3. Step 3: Cross multiply
    163,112.64x = 225,109.02 × 90,522.37
  4. Step 4: Simplify right side
    163,112.64x = 20,377,401,998.78
  5. Step 5: Solve for x
    x = 20,377,401,998.78/163,112.64
  6. Step 6: Final answer
    x = 124,928.41

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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.