Home / 135,745.32-187,328.30-75,325.16

Finding the Fourth Proportional to 135,745.32, 187,328.30 and 75,325.16

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Solution

The fourth proportional to 135,745.32, 187,328.30 and 75,325.16 is: 103,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,745.32 : 187,328.30 = 75,325.16 : x
  2. Step 2: Convert to fraction form
    135,745.32/187,328.30 = 75,325.16/x
  3. Step 3: Cross multiply
    135,745.32x = 187,328.30 × 75,325.16
  4. Step 4: Simplify right side
    135,745.32x = 14,110,534,170.03
  5. Step 5: Solve for x
    x = 14,110,534,170.03/135,745.32
  6. Step 6: Final answer
    x = 103,948.59

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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.