Home / 112,460.40-168,690.60-103,906.80

Finding the Fourth Proportional to 112,460.40, 168,690.60 and 103,906.80

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Solution

The fourth proportional to 112,460.40, 168,690.60 and 103,906.80 is: 155,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,460.40 : 168,690.60 = 103,906.80 : x
  2. Step 2: Convert to fraction form
    112,460.40/168,690.60 = 103,906.80/x
  3. Step 3: Cross multiply
    112,460.40x = 168,690.60 × 103,906.80
  4. Step 4: Simplify right side
    112,460.40x = 17,528,100,436.08
  5. Step 5: Solve for x
    x = 17,528,100,436.08/112,460.40
  6. Step 6: Final answer
    x = 155,860.20

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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.