Home / 136,173.22-187,914.53-75,742.16

Finding the Fourth Proportional to 136,173.22, 187,914.53 and 75,742.16

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Solution

The fourth proportional to 136,173.22, 187,914.53 and 75,742.16 is: 104,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,173.22 : 187,914.53 = 75,742.16 : x
  2. Step 2: Convert to fraction form
    136,173.22/187,914.53 = 75,742.16/x
  3. Step 3: Cross multiply
    136,173.22x = 187,914.53 × 75,742.16
  4. Step 4: Simplify right side
    136,173.22x = 14,233,051,647.37
  5. Step 5: Solve for x
    x = 14,233,051,647.37/136,173.22
  6. Step 6: Final answer
    x = 104,521.67

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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.