Home / 165,598.75-228,526.32-90,147.25

Finding the Fourth Proportional to 165,598.75, 228,526.32 and 90,147.25

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Solution

The fourth proportional to 165,598.75, 228,526.32 and 90,147.25 is: 124,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,598.75 : 228,526.32 = 90,147.25 : x
  2. Step 2: Convert to fraction form
    165,598.75/228,526.32 = 90,147.25/x
  3. Step 3: Cross multiply
    165,598.75x = 228,526.32 × 90,147.25
  4. Step 4: Simplify right side
    165,598.75x = 20,601,019,300.62
  5. Step 5: Solve for x
    x = 20,601,019,300.62/165,598.75
  6. Step 6: Final answer
    x = 124,403.23

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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.