Home / 91,360.44-126,241.74-71,268.12

Finding the Fourth Proportional to 91,360.44, 126,241.74 and 71,268.12

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Solution

The fourth proportional to 91,360.44, 126,241.74 and 71,268.12 is: 98,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.44 : 126,241.74 = 71,268.12 : x
  2. Step 2: Convert to fraction form
    91,360.44/126,241.74 = 71,268.12/x
  3. Step 3: Cross multiply
    91,360.44x = 126,241.74 × 71,268.12
  4. Step 4: Simplify right side
    91,360.44x = 8,997,011,475.33
  5. Step 5: Solve for x
    x = 8,997,011,475.33/91,360.44
  6. Step 6: Final answer
    x = 98,478.20

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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.