Home / 81,468.15-122,210.66-22,303.81

Finding the Fourth Proportional to 81,468.15, 122,210.66 and 22,303.81

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Solution

The fourth proportional to 81,468.15, 122,210.66 and 22,303.81 is: 33,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,468.15 : 122,210.66 = 22,303.81 : x
  2. Step 2: Convert to fraction form
    81,468.15/122,210.66 = 22,303.81/x
  3. Step 3: Cross multiply
    81,468.15x = 122,210.66 × 22,303.81
  4. Step 4: Simplify right side
    81,468.15x = 2,725,763,340.61
  5. Step 5: Solve for x
    x = 2,725,763,340.61/81,468.15
  6. Step 6: Final answer
    x = 33,458.02

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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.