Home / 190,360.28-284,879.45-118,283.60

Finding the Fourth Proportional to 190,360.28, 284,879.45 and 118,283.60

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Solution

The fourth proportional to 190,360.28, 284,879.45 and 118,283.60 is: 177,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,360.28 : 284,879.45 = 118,283.60 : x
  2. Step 2: Convert to fraction form
    190,360.28/284,879.45 = 118,283.60/x
  3. Step 3: Cross multiply
    190,360.28x = 284,879.45 × 118,283.60
  4. Step 4: Simplify right side
    190,360.28x = 33,696,567,919.93
  5. Step 5: Solve for x
    x = 33,696,567,919.93/190,360.28
  6. Step 6: Final answer
    x = 177,014.70

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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.