Home / 112,383.05-168,657.53-53,218.62

Finding the Fourth Proportional to 112,383.05, 168,657.53 and 53,218.62

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Solution

The fourth proportional to 112,383.05, 168,657.53 and 53,218.62 is: 79,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,383.05 : 168,657.53 = 53,218.62 : x
  2. Step 2: Convert to fraction form
    112,383.05/168,657.53 = 53,218.62/x
  3. Step 3: Cross multiply
    112,383.05x = 168,657.53 × 53,218.62
  4. Step 4: Simplify right side
    112,383.05x = 8,975,720,733.12
  5. Step 5: Solve for x
    x = 8,975,720,733.12/112,383.05
  6. Step 6: Final answer
    x = 79,867.21

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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.