Home / 186,141.27-279,211.94-130,090.86

Finding the Fourth Proportional to 186,141.27, 279,211.94 and 130,090.86

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Solution

The fourth proportional to 186,141.27, 279,211.94 and 130,090.86 is: 195,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,141.27 : 279,211.94 = 130,090.86 : x
  2. Step 2: Convert to fraction form
    186,141.27/279,211.94 = 130,090.86/x
  3. Step 3: Cross multiply
    186,141.27x = 279,211.94 × 130,090.86
  4. Step 4: Simplify right side
    186,141.27x = 36,322,921,966.02
  5. Step 5: Solve for x
    x = 36,322,921,966.02/186,141.27
  6. Step 6: Final answer
    x = 195,136.31

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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.