Home / 118,902.72-164,084.40-68,600.64

Finding the Fourth Proportional to 118,902.72, 164,084.40 and 68,600.64

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Solution

The fourth proportional to 118,902.72, 164,084.40 and 68,600.64 is: 94,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,902.72 : 164,084.40 = 68,600.64 : x
  2. Step 2: Convert to fraction form
    118,902.72/164,084.40 = 68,600.64/x
  3. Step 3: Cross multiply
    118,902.72x = 164,084.40 × 68,600.64
  4. Step 4: Simplify right side
    118,902.72x = 11,256,294,854.02
  5. Step 5: Solve for x
    x = 11,256,294,854.02/118,902.72
  6. Step 6: Final answer
    x = 94,668.10

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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.