Home / 94,351.50-130,205.07-51,911.55

Finding the Fourth Proportional to 94,351.50, 130,205.07 and 51,911.55

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Solution

The fourth proportional to 94,351.50, 130,205.07 and 51,911.55 is: 71,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,351.50 : 130,205.07 = 51,911.55 : x
  2. Step 2: Convert to fraction form
    94,351.50/130,205.07 = 51,911.55/x
  3. Step 3: Cross multiply
    94,351.50x = 130,205.07 × 51,911.55
  4. Step 4: Simplify right side
    94,351.50x = 6,759,147,001.56
  5. Step 5: Solve for x
    x = 6,759,147,001.56/94,351.50
  6. Step 6: Final answer
    x = 71,637.94

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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.