Home / 118,391.95-163,383.30-64,680.44

Finding the Fourth Proportional to 118,391.95, 163,383.30 and 64,680.44

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Solution

The fourth proportional to 118,391.95, 163,383.30 and 64,680.44 is: 89,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,391.95 : 163,383.30 = 64,680.44 : x
  2. Step 2: Convert to fraction form
    118,391.95/163,383.30 = 64,680.44/x
  3. Step 3: Cross multiply
    118,391.95x = 163,383.30 × 64,680.44
  4. Step 4: Simplify right side
    118,391.95x = 10,567,703,409.25
  5. Step 5: Solve for x
    x = 10,567,703,409.25/118,391.95
  6. Step 6: Final answer
    x = 89,260.32

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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.