Home / 126,680.64-174,818.16-75,690.60

Finding the Fourth Proportional to 126,680.64, 174,818.16 and 75,690.60

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Solution

The fourth proportional to 126,680.64, 174,818.16 and 75,690.60 is: 104,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,680.64 : 174,818.16 = 75,690.60 : x
  2. Step 2: Convert to fraction form
    126,680.64/174,818.16 = 75,690.60/x
  3. Step 3: Cross multiply
    126,680.64x = 174,818.16 × 75,690.60
  4. Step 4: Simplify right side
    126,680.64x = 13,232,091,421.30
  5. Step 5: Solve for x
    x = 13,232,091,421.30/126,680.64
  6. Step 6: Final answer
    x = 104,452.36

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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.