Home / 118,588.09-163,650.23-64,872.47

Finding the Fourth Proportional to 118,588.09, 163,650.23 and 64,872.47

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Solution

The fourth proportional to 118,588.09, 163,650.23 and 64,872.47 is: 89,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,588.09 : 163,650.23 = 64,872.47 : x
  2. Step 2: Convert to fraction form
    118,588.09/163,650.23 = 64,872.47/x
  3. Step 3: Cross multiply
    118,588.09x = 163,650.23 × 64,872.47
  4. Step 4: Simplify right side
    118,588.09x = 10,616,394,636.17
  5. Step 5: Solve for x
    x = 10,616,394,636.17/118,588.09
  6. Step 6: Final answer
    x = 89,523.28

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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.