Home / 81,244.46-121,866.51-22,088.72

Finding the Fourth Proportional to 81,244.46, 121,866.51 and 22,088.72

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Solution

The fourth proportional to 81,244.46, 121,866.51 and 22,088.72 is: 33,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244.46 : 121,866.51 = 22,088.72 : x
  2. Step 2: Convert to fraction form
    81,244.46/121,866.51 = 22,088.72/x
  3. Step 3: Cross multiply
    81,244.46x = 121,866.51 × 22,088.72
  4. Step 4: Simplify right side
    81,244.46x = 2,691,875,216.77
  5. Step 5: Solve for x
    x = 2,691,875,216.77/81,244.46
  6. Step 6: Final answer
    x = 33,133.03

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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.