Home / 163,816.70-245,725.05-97,222.55

Finding the Fourth Proportional to 163,816.70, 245,725.05 and 97,222.55

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Solution

The fourth proportional to 163,816.70, 245,725.05 and 97,222.55 is: 145,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,816.70 : 245,725.05 = 97,222.55 : x
  2. Step 2: Convert to fraction form
    163,816.70/245,725.05 = 97,222.55/x
  3. Step 3: Cross multiply
    163,816.70x = 245,725.05 × 97,222.55
  4. Step 4: Simplify right side
    163,816.70x = 23,890,015,959.88
  5. Step 5: Solve for x
    x = 23,890,015,959.88/163,816.70
  6. Step 6: Final answer
    x = 145,833.83

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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.