Home / 130,222.90-194,815.95-112,885.30

Finding the Fourth Proportional to 130,222.90, 194,815.95 and 112,885.30

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Solution

The fourth proportional to 130,222.90, 194,815.95 and 112,885.30 is: 168,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,222.90 : 194,815.95 = 112,885.30 : x
  2. Step 2: Convert to fraction form
    130,222.90/194,815.95 = 112,885.30/x
  3. Step 3: Cross multiply
    130,222.90x = 194,815.95 × 112,885.30
  4. Step 4: Simplify right side
    130,222.90x = 21,991,856,960.54
  5. Step 5: Solve for x
    x = 21,991,856,960.54/130,222.90
  6. Step 6: Final answer
    x = 168,878.57

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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.