Home / 112,192.78-168,159.97-45,559.75

Finding the Fourth Proportional to 112,192.78, 168,159.97 and 45,559.75

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Solution

The fourth proportional to 112,192.78, 168,159.97 and 45,559.75 is: 68,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192.78 : 168,159.97 = 45,559.75 : x
  2. Step 2: Convert to fraction form
    112,192.78/168,159.97 = 45,559.75/x
  3. Step 3: Cross multiply
    112,192.78x = 168,159.97 × 45,559.75
  4. Step 4: Simplify right side
    112,192.78x = 7,661,326,193.21
  5. Step 5: Solve for x
    x = 7,661,326,193.21/112,192.78
  6. Step 6: Final answer
    x = 68,287.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.