Home / 124,911.72-187,236.36-45,975.60

Finding the Fourth Proportional to 124,911.72, 187,236.36 and 45,975.60

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Solution

The fourth proportional to 124,911.72, 187,236.36 and 45,975.60 is: 68,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.72 : 187,236.36 = 45,975.60 : x
  2. Step 2: Convert to fraction form
    124,911.72/187,236.36 = 45,975.60/x
  3. Step 3: Cross multiply
    124,911.72x = 187,236.36 × 45,975.60
  4. Step 4: Simplify right side
    124,911.72x = 8,608,303,992.82
  5. Step 5: Solve for x
    x = 8,608,303,992.82/124,911.72
  6. Step 6: Final answer
    x = 68,915.10

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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.