Home / 186,096.70-279,145.05-165,429.55

Finding the Fourth Proportional to 186,096.70, 279,145.05 and 165,429.55

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Solution

The fourth proportional to 186,096.70, 279,145.05 and 165,429.55 is: 248,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,096.70 : 279,145.05 = 165,429.55 : x
  2. Step 2: Convert to fraction form
    186,096.70/279,145.05 = 165,429.55/x
  3. Step 3: Cross multiply
    186,096.70x = 279,145.05 × 165,429.55
  4. Step 4: Simplify right side
    186,096.70x = 46,178,840,006.23
  5. Step 5: Solve for x
    x = 46,178,840,006.23/186,096.70
  6. Step 6: Final answer
    x = 248,144.33

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1.5x scale

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.