Home / 112,727.70-168,209.46-112,071.60

Finding the Fourth Proportional to 112,727.70, 168,209.46 and 112,071.60

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Solution

The fourth proportional to 112,727.70, 168,209.46 and 112,071.60 is: 167,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,727.70 : 168,209.46 = 112,071.60 : x
  2. Step 2: Convert to fraction form
    112,727.70/168,209.46 = 112,071.60/x
  3. Step 3: Cross multiply
    112,727.70x = 168,209.46 × 112,071.60
  4. Step 4: Simplify right side
    112,727.70x = 18,851,503,317.34
  5. Step 5: Solve for x
    x = 18,851,503,317.34/112,727.70
  6. Step 6: Final answer
    x = 167,230.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.