Home / 90,698.74-125,161.56-51,935.27

Finding the Fourth Proportional to 90,698.74, 125,161.56 and 51,935.27

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Solution

The fourth proportional to 90,698.74, 125,161.56 and 51,935.27 is: 71,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.74 : 125,161.56 = 51,935.27 : x
  2. Step 2: Convert to fraction form
    90,698.74/125,161.56 = 51,935.27/x
  3. Step 3: Cross multiply
    90,698.74x = 125,161.56 × 51,935.27
  4. Step 4: Simplify right side
    90,698.74x = 6,500,298,786.41
  5. Step 5: Solve for x
    x = 6,500,298,786.41/90,698.74
  6. Step 6: Final answer
    x = 71,669.12

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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.