Home / 117,467.49-162,105.07-66,479.30

Finding the Fourth Proportional to 117,467.49, 162,105.07 and 66,479.30

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Solution

The fourth proportional to 117,467.49, 162,105.07 and 66,479.30 is: 91,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.49 : 162,105.07 = 66,479.30 : x
  2. Step 2: Convert to fraction form
    117,467.49/162,105.07 = 66,479.30/x
  3. Step 3: Cross multiply
    117,467.49x = 162,105.07 × 66,479.30
  4. Step 4: Simplify right side
    117,467.49x = 10,776,631,580.05
  5. Step 5: Solve for x
    x = 10,776,631,580.05/117,467.49
  6. Step 6: Final answer
    x = 91,741.40

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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.