Home / 129,731.19-194,168.03-118,073.67

Finding the Fourth Proportional to 129,731.19, 194,168.03 and 118,073.67

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Solution

The fourth proportional to 129,731.19, 194,168.03 and 118,073.67 is: 176,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,731.19 : 194,168.03 = 118,073.67 : x
  2. Step 2: Convert to fraction form
    129,731.19/194,168.03 = 118,073.67/x
  3. Step 3: Cross multiply
    129,731.19x = 194,168.03 × 118,073.67
  4. Step 4: Simplify right side
    129,731.19x = 22,926,131,308.40
  5. Step 5: Solve for x
    x = 22,926,131,308.40/129,731.19
  6. Step 6: Final answer
    x = 176,720.27

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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.