Home / 81,467.89-122,210.28-22,303.55

Finding the Fourth Proportional to 81,467.89, 122,210.28 and 22,303.55

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Solution

The fourth proportional to 81,467.89, 122,210.28 and 22,303.55 is: 33,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,467.89 : 122,210.28 = 22,303.55 : x
  2. Step 2: Convert to fraction form
    81,467.89/122,210.28 = 22,303.55/x
  3. Step 3: Cross multiply
    81,467.89x = 122,210.28 × 22,303.55
  4. Step 4: Simplify right side
    81,467.89x = 2,725,723,396.02
  5. Step 5: Solve for x
    x = 2,725,723,396.02/81,467.89
  6. Step 6: Final answer
    x = 33,457.64

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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.