Home / 163,039.11-224,993.77-90,453.02

Finding the Fourth Proportional to 163,039.11, 224,993.77 and 90,453.02

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Solution

The fourth proportional to 163,039.11, 224,993.77 and 90,453.02 is: 124,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,039.11 : 224,993.77 = 90,453.02 : x
  2. Step 2: Convert to fraction form
    163,039.11/224,993.77 = 90,453.02/x
  3. Step 3: Cross multiply
    163,039.11x = 224,993.77 × 90,453.02
  4. Step 4: Simplify right side
    163,039.11x = 20,351,364,626.58
  5. Step 5: Solve for x
    x = 20,351,364,626.58/163,039.11
  6. Step 6: Final answer
    x = 124,825.05

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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.