Home / 118,777.62-163,915.76-67,789.34

Finding the Fourth Proportional to 118,777.62, 163,915.76 and 67,789.34

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Solution

The fourth proportional to 118,777.62, 163,915.76 and 67,789.34 is: 93,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,777.62 : 163,915.76 = 67,789.34 : x
  2. Step 2: Convert to fraction form
    118,777.62/163,915.76 = 67,789.34/x
  3. Step 3: Cross multiply
    118,777.62x = 163,915.76 × 67,789.34
  4. Step 4: Simplify right side
    118,777.62x = 11,111,741,186.00
  5. Step 5: Solve for x
    x = 11,111,741,186.00/118,777.62
  6. Step 6: Final answer
    x = 93,550.80

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1.5x scale

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.