Home / 189,142.42-261,016.57-104,261.34

Finding the Fourth Proportional to 189,142.42, 261,016.57 and 104,261.34

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Solution

The fourth proportional to 189,142.42, 261,016.57 and 104,261.34 is: 143,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,142.42 : 261,016.57 = 104,261.34 : x
  2. Step 2: Convert to fraction form
    189,142.42/261,016.57 = 104,261.34/x
  3. Step 3: Cross multiply
    189,142.42x = 261,016.57 × 104,261.34
  4. Step 4: Simplify right side
    189,142.42x = 27,213,937,350.40
  5. Step 5: Solve for x
    x = 27,213,937,350.40/189,142.42
  6. Step 6: Final answer
    x = 143,880.67

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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.