Home / 165,200.55-227,962.60-91,615.34

Finding the Fourth Proportional to 165,200.55, 227,962.60 and 91,615.34

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Solution

The fourth proportional to 165,200.55, 227,962.60 and 91,615.34 is: 126,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,200.55 : 227,962.60 = 91,615.34 : x
  2. Step 2: Convert to fraction form
    165,200.55/227,962.60 = 91,615.34/x
  3. Step 3: Cross multiply
    165,200.55x = 227,962.60 × 91,615.34
  4. Step 4: Simplify right side
    165,200.55x = 20,884,871,106.28
  5. Step 5: Solve for x
    x = 20,884,871,106.28/165,200.55
  6. Step 6: Final answer
    x = 126,421.32

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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.