Home / 193,271.87-266,706.14-107,229.93

Finding the Fourth Proportional to 193,271.87, 266,706.14 and 107,229.93

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Solution

The fourth proportional to 193,271.87, 266,706.14 and 107,229.93 is: 147,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,271.87 : 266,706.14 = 107,229.93 : x
  2. Step 2: Convert to fraction form
    193,271.87/266,706.14 = 107,229.93/x
  3. Step 3: Cross multiply
    193,271.87x = 266,706.14 × 107,229.93
  4. Step 4: Simplify right side
    193,271.87x = 28,598,880,988.28
  5. Step 5: Solve for x
    x = 28,598,880,988.28/193,271.87
  6. Step 6: Final answer
    x = 147,972.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.