Home / 135,300.10-186,561.28-101,199.28

Finding the Fourth Proportional to 135,300.10, 186,561.28 and 101,199.28

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Solution

The fourth proportional to 135,300.10, 186,561.28 and 101,199.28 is: 139,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,300.10 : 186,561.28 = 101,199.28 : x
  2. Step 2: Convert to fraction form
    135,300.10/186,561.28 = 101,199.28/x
  3. Step 3: Cross multiply
    135,300.10x = 186,561.28 × 101,199.28
  4. Step 4: Simplify right side
    135,300.10x = 18,879,867,211.88
  5. Step 5: Solve for x
    x = 18,879,867,211.88/135,300.10
  6. Step 6: Final answer
    x = 139,540.67

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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.