Home / 112,079.70-168,447.60-110,111.40

Finding the Fourth Proportional to 112,079.70, 168,447.60 and 110,111.40

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Solution

The fourth proportional to 112,079.70, 168,447.60 and 110,111.40 is: 165,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,079.70 : 168,447.60 = 110,111.40 : x
  2. Step 2: Convert to fraction form
    112,079.70/168,447.60 = 110,111.40/x
  3. Step 3: Cross multiply
    112,079.70x = 168,447.60 × 110,111.40
  4. Step 4: Simplify right side
    112,079.70x = 18,548,001,062.64
  5. Step 5: Solve for x
    x = 18,548,001,062.64/112,079.70
  6. Step 6: Final answer
    x = 165,489.39

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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.