Home / 91,919.40-126,844.02-51,634.86

Finding the Fourth Proportional to 91,919.40, 126,844.02 and 51,634.86

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Solution

The fourth proportional to 91,919.40, 126,844.02 and 51,634.86 is: 71,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,919.40 : 126,844.02 = 51,634.86 : x
  2. Step 2: Convert to fraction form
    91,919.40/126,844.02 = 51,634.86/x
  3. Step 3: Cross multiply
    91,919.40x = 126,844.02 × 51,634.86
  4. Step 4: Simplify right side
    91,919.40x = 6,549,573,214.54
  5. Step 5: Solve for x
    x = 6,549,573,214.54/91,919.40
  6. Step 6: Final answer
    x = 71,253.44

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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.