Home / 149,056.64-223,367.52-69,119

Finding the Fourth Proportional to 149,056.64, 223,367.52 and 69,119

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Solution

The fourth proportional to 149,056.64, 223,367.52 and 69,119 is: 103,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,056.64 : 223,367.52 = 69,119 : x
  2. Step 2: Convert to fraction form
    149,056.64/223,367.52 = 69,119/x
  3. Step 3: Cross multiply
    149,056.64x = 223,367.52 × 69,119
  4. Step 4: Simplify right side
    149,056.64x = 15,438,939,614.88
  5. Step 5: Solve for x
    x = 15,438,939,614.88/149,056.64
  6. Step 6: Final answer
    x = 103,577.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.