Home / 186,847.09-280,134.86-74,493.61

Finding the Fourth Proportional to 186,847.09, 280,134.86 and 74,493.61

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Solution

The fourth proportional to 186,847.09, 280,134.86 and 74,493.61 is: 111,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,847.09 : 280,134.86 = 74,493.61 : x
  2. Step 2: Convert to fraction form
    186,847.09/280,134.86 = 74,493.61/x
  3. Step 3: Cross multiply
    186,847.09x = 280,134.86 × 74,493.61
  4. Step 4: Simplify right side
    186,847.09x = 20,868,256,683.48
  5. Step 5: Solve for x
    x = 20,868,256,683.48/186,847.09
  6. Step 6: Final answer
    x = 111,686.28

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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.