Home / 129,410.46-194,124.06-40,667.67

Finding the Fourth Proportional to 129,410.46, 194,124.06 and 40,667.67

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Solution

The fourth proportional to 129,410.46, 194,124.06 and 40,667.67 is: 61,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,410.46 : 194,124.06 = 40,667.67 : x
  2. Step 2: Convert to fraction form
    129,410.46/194,124.06 = 40,667.67/x
  3. Step 3: Cross multiply
    129,410.46x = 194,124.06 × 40,667.67
  4. Step 4: Simplify right side
    129,410.46x = 7,894,573,211.14
  5. Step 5: Solve for x
    x = 7,894,573,211.14/129,410.46
  6. Step 6: Final answer
    x = 61,004.14

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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.