Home / 91,498.09-126,267.83-51,212.64

Finding the Fourth Proportional to 91,498.09, 126,267.83 and 51,212.64

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Solution

The fourth proportional to 91,498.09, 126,267.83 and 51,212.64 is: 70,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,498.09 : 126,267.83 = 51,212.64 : x
  2. Step 2: Convert to fraction form
    91,498.09/126,267.83 = 51,212.64/x
  3. Step 3: Cross multiply
    91,498.09x = 126,267.83 × 51,212.64
  4. Step 4: Simplify right side
    91,498.09x = 6,466,508,921.37
  5. Step 5: Solve for x
    x = 6,466,508,921.37/91,498.09
  6. Step 6: Final answer
    x = 70,673.70

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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.