Home / 218,784.50-301,922.77-118,182.50

Finding the Fourth Proportional to 218,784.50, 301,922.77 and 118,182.50

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Solution

The fourth proportional to 218,784.50, 301,922.77 and 118,182.50 is: 163,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,784.50 : 301,922.77 = 118,182.50 : x
  2. Step 2: Convert to fraction form
    218,784.50/301,922.77 = 118,182.50/x
  3. Step 3: Cross multiply
    218,784.50x = 301,922.77 × 118,182.50
  4. Step 4: Simplify right side
    218,784.50x = 35,681,987,765.53
  5. Step 5: Solve for x
    x = 35,681,987,765.53/218,784.50
  6. Step 6: Final answer
    x = 163,091.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.