Home / 121,728.84-182,582.96-41,760.24

Finding the Fourth Proportional to 121,728.84, 182,582.96 and 41,760.24

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Solution

The fourth proportional to 121,728.84, 182,582.96 and 41,760.24 is: 62,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,728.84 : 182,582.96 = 41,760.24 : x
  2. Step 2: Convert to fraction form
    121,728.84/182,582.96 = 41,760.24/x
  3. Step 3: Cross multiply
    121,728.84x = 182,582.96 × 41,760.24
  4. Step 4: Simplify right side
    121,728.84x = 7,624,708,229.51
  5. Step 5: Solve for x
    x = 7,624,708,229.51/121,728.84
  6. Step 6: Final answer
    x = 62,636.83

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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.