Home / 91,486.90-126,253.20-51,202.36

Finding the Fourth Proportional to 91,486.90, 126,253.20 and 51,202.36

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Solution

The fourth proportional to 91,486.90, 126,253.20 and 51,202.36 is: 70,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,486.90 : 126,253.20 = 51,202.36 : x
  2. Step 2: Convert to fraction form
    91,486.90/126,253.20 = 51,202.36/x
  3. Step 3: Cross multiply
    91,486.90x = 126,253.20 × 51,202.36
  4. Step 4: Simplify right side
    91,486.90x = 6,464,461,797.55
  5. Step 5: Solve for x
    x = 6,464,461,797.55/91,486.90
  6. Step 6: Final answer
    x = 70,659.97

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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.