Home / 135,851.05-187,480.50-75,422.53

Finding the Fourth Proportional to 135,851.05, 187,480.50 and 75,422.53

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Solution

The fourth proportional to 135,851.05, 187,480.50 and 75,422.53 is: 104,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,851.05 : 187,480.50 = 75,422.53 : x
  2. Step 2: Convert to fraction form
    135,851.05/187,480.50 = 75,422.53/x
  3. Step 3: Cross multiply
    135,851.05x = 187,480.50 × 75,422.53
  4. Step 4: Simplify right side
    135,851.05x = 14,140,252,698.26
  5. Step 5: Solve for x
    x = 14,140,252,698.26/135,851.05
  6. Step 6: Final answer
    x = 104,086.45

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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.