Home / 126,211.28-174,166.40-69,622.64

Finding the Fourth Proportional to 126,211.28, 174,166.40 and 69,622.64

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Solution

The fourth proportional to 126,211.28, 174,166.40 and 69,622.64 is: 96,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,211.28 : 174,166.40 = 69,622.64 : x
  2. Step 2: Convert to fraction form
    126,211.28/174,166.40 = 69,622.64/x
  3. Step 3: Cross multiply
    126,211.28x = 174,166.40 × 69,622.64
  4. Step 4: Simplify right side
    126,211.28x = 12,125,924,567.30
  5. Step 5: Solve for x
    x = 12,125,924,567.30/126,211.28
  6. Step 6: Final answer
    x = 96,076.39

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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.