Home / 112,091.64-168,020.66-48,894.78

Finding the Fourth Proportional to 112,091.64, 168,020.66 and 48,894.78

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Solution

The fourth proportional to 112,091.64, 168,020.66 and 48,894.78 is: 73,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091.64 : 168,020.66 = 48,894.78 : x
  2. Step 2: Convert to fraction form
    112,091.64/168,020.66 = 48,894.78/x
  3. Step 3: Cross multiply
    112,091.64x = 168,020.66 × 48,894.78
  4. Step 4: Simplify right side
    112,091.64x = 8,215,333,328.39
  5. Step 5: Solve for x
    x = 8,215,333,328.39/112,091.64
  6. Step 6: Final answer
    x = 73,291.22

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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.