Home / 121,440.78-182,036.43-46,540.62

Finding the Fourth Proportional to 121,440.78, 182,036.43 and 46,540.62

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Solution

The fourth proportional to 121,440.78, 182,036.43 and 46,540.62 is: 69,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,440.78 : 182,036.43 = 46,540.62 : x
  2. Step 2: Convert to fraction form
    121,440.78/182,036.43 = 46,540.62/x
  3. Step 3: Cross multiply
    121,440.78x = 182,036.43 × 46,540.62
  4. Step 4: Simplify right side
    121,440.78x = 8,472,088,314.79
  5. Step 5: Solve for x
    x = 8,472,088,314.79/121,440.78
  6. Step 6: Final answer
    x = 69,763.12

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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.