Home / 121,383.07-182,074.61-38,277.07

Finding the Fourth Proportional to 121,383.07, 182,074.61 and 38,277.07

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Solution

The fourth proportional to 121,383.07, 182,074.61 and 38,277.07 is: 57,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,383.07 : 182,074.61 = 38,277.07 : x
  2. Step 2: Convert to fraction form
    121,383.07/182,074.61 = 38,277.07/x
  3. Step 3: Cross multiply
    121,383.07x = 182,074.61 × 38,277.07
  4. Step 4: Simplify right side
    121,383.07x = 6,969,282,592.19
  5. Step 5: Solve for x
    x = 6,969,282,592.19/121,383.07
  6. Step 6: Final answer
    x = 57,415.61

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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.