Home / 81,973.76-122,948.40-22,803.32

Finding the Fourth Proportional to 81,973.76, 122,948.40 and 22,803.32

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Solution

The fourth proportional to 81,973.76, 122,948.40 and 22,803.32 is: 34,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.76 : 122,948.40 = 22,803.32 : x
  2. Step 2: Convert to fraction form
    81,973.76/122,948.40 = 22,803.32/x
  3. Step 3: Cross multiply
    81,973.76x = 122,948.40 × 22,803.32
  4. Step 4: Simplify right side
    81,973.76x = 2,803,631,708.69
  5. Step 5: Solve for x
    x = 2,803,631,708.69/81,973.76
  6. Step 6: Final answer
    x = 34,201.58

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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.