Home / 91,099.35-136,645.09-31,133.18

Finding the Fourth Proportional to 91,099.35, 136,645.09 and 31,133.18

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Solution

The fourth proportional to 91,099.35, 136,645.09 and 31,133.18 is: 46,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.35 : 136,645.09 = 31,133.18 : x
  2. Step 2: Convert to fraction form
    91,099.35/136,645.09 = 31,133.18/x
  3. Step 3: Cross multiply
    91,099.35x = 136,645.09 × 31,133.18
  4. Step 4: Simplify right side
    91,099.35x = 4,254,196,183.09
  5. Step 5: Solve for x
    x = 4,254,196,183.09/91,099.35
  6. Step 6: Final answer
    x = 46,698.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.