Home / 81,948.20-122,835.90-46,812.20

Finding the Fourth Proportional to 81,948.20, 122,835.90 and 46,812.20

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Solution

The fourth proportional to 81,948.20, 122,835.90 and 46,812.20 is: 70,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.20 : 122,835.90 = 46,812.20 : x
  2. Step 2: Convert to fraction form
    81,948.20/122,835.90 = 46,812.20/x
  3. Step 3: Cross multiply
    81,948.20x = 122,835.90 × 46,812.20
  4. Step 4: Simplify right side
    81,948.20x = 5,750,218,717.98
  5. Step 5: Solve for x
    x = 5,750,218,717.98/81,948.20
  6. Step 6: Final answer
    x = 70,168.94

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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.