Home / 243,051.20-363,993.60-118,246.40

Finding the Fourth Proportional to 243,051.20, 363,993.60 and 118,246.40

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Solution

The fourth proportional to 243,051.20, 363,993.60 and 118,246.40 is: 177,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,051.20 : 363,993.60 = 118,246.40 : x
  2. Step 2: Convert to fraction form
    243,051.20/363,993.60 = 118,246.40/x
  3. Step 3: Cross multiply
    243,051.20x = 363,993.60 × 118,246.40
  4. Step 4: Simplify right side
    243,051.20x = 43,040,932,823.04
  5. Step 5: Solve for x
    x = 43,040,932,823.04/243,051.20
  6. Step 6: Final answer
    x = 177,085.87

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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.