Home / 81,467.90-122,210.28-22,303.56

Finding the Fourth Proportional to 81,467.90, 122,210.28 and 22,303.56

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Solution

The fourth proportional to 81,467.90, 122,210.28 and 22,303.56 is: 33,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,467.90 : 122,210.28 = 22,303.56 : x
  2. Step 2: Convert to fraction form
    81,467.90/122,210.28 = 22,303.56/x
  3. Step 3: Cross multiply
    81,467.90x = 122,210.28 × 22,303.56
  4. Step 4: Simplify right side
    81,467.90x = 2,725,724,312.60
  5. Step 5: Solve for x
    x = 2,725,724,312.60/81,467.90
  6. Step 6: Final answer
    x = 33,457.65

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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.