Home / 141,845.60-213,085.20-118,517.60

Finding the Fourth Proportional to 141,845.60, 213,085.20 and 118,517.60

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Solution

The fourth proportional to 141,845.60, 213,085.20 and 118,517.60 is: 178,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,845.60 : 213,085.20 = 118,517.60 : x
  2. Step 2: Convert to fraction form
    141,845.60/213,085.20 = 118,517.60/x
  3. Step 3: Cross multiply
    141,845.60x = 213,085.20 × 118,517.60
  4. Step 4: Simplify right side
    141,845.60x = 25,254,346,499.52
  5. Step 5: Solve for x
    x = 25,254,346,499.52/141,845.60
  6. Step 6: Final answer
    x = 178,041.10

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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.