Home / 135,675.41-187,209.63-75,236.45

Finding the Fourth Proportional to 135,675.41, 187,209.63 and 75,236.45

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Solution

The fourth proportional to 135,675.41, 187,209.63 and 75,236.45 is: 103,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,675.41 : 187,209.63 = 75,236.45 : x
  2. Step 2: Convert to fraction form
    135,675.41/187,209.63 = 75,236.45/x
  3. Step 3: Cross multiply
    135,675.41x = 187,209.63 × 75,236.45
  4. Step 4: Simplify right side
    135,675.41x = 14,084,987,030.97
  5. Step 5: Solve for x
    x = 14,084,987,030.97/135,675.41
  6. Step 6: Final answer
    x = 103,813.86

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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.