Home / 91,206.75-125,865.32-51,462.75

Finding the Fourth Proportional to 91,206.75, 125,865.32 and 51,462.75

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Solution

The fourth proportional to 91,206.75, 125,865.32 and 51,462.75 is: 71,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,206.75 : 125,865.32 = 51,462.75 : x
  2. Step 2: Convert to fraction form
    91,206.75/125,865.32 = 51,462.75/x
  3. Step 3: Cross multiply
    91,206.75x = 125,865.32 × 51,462.75
  4. Step 4: Simplify right side
    91,206.75x = 6,477,375,239.52
  5. Step 5: Solve for x
    x = 6,477,375,239.52/91,206.75
  6. Step 6: Final answer
    x = 71,018.60

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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.