Home / 117,486.39-162,131.34-63,771.40

Finding the Fourth Proportional to 117,486.39, 162,131.34 and 63,771.40

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Solution

The fourth proportional to 117,486.39, 162,131.34 and 63,771.40 is: 88,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.39 : 162,131.34 = 63,771.40 : x
  2. Step 2: Convert to fraction form
    117,486.39/162,131.34 = 63,771.40/x
  3. Step 3: Cross multiply
    117,486.39x = 162,131.34 × 63,771.40
  4. Step 4: Simplify right side
    117,486.39x = 10,339,342,369.49
  5. Step 5: Solve for x
    x = 10,339,342,369.49/117,486.39
  6. Step 6: Final answer
    x = 88,004.60

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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.