Home / 118,348.56-163,321.92-64,632.60

Finding the Fourth Proportional to 118,348.56, 163,321.92 and 64,632.60

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Solution

The fourth proportional to 118,348.56, 163,321.92 and 64,632.60 is: 89,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,348.56 : 163,321.92 = 64,632.60 : x
  2. Step 2: Convert to fraction form
    118,348.56/163,321.92 = 64,632.60/x
  3. Step 3: Cross multiply
    118,348.56x = 163,321.92 × 64,632.60
  4. Step 4: Simplify right side
    118,348.56x = 10,555,920,326.59
  5. Step 5: Solve for x
    x = 10,555,920,326.59/118,348.56
  6. Step 6: Final answer
    x = 89,193.48

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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.