Home / 122,087.04-183,128.64-89,016.96

Finding the Fourth Proportional to 122,087.04, 183,128.64 and 89,016.96

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Solution

The fourth proportional to 122,087.04, 183,128.64 and 89,016.96 is: 133,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,087.04 : 183,128.64 = 89,016.96 : x
  2. Step 2: Convert to fraction form
    122,087.04/183,128.64 = 89,016.96/x
  3. Step 3: Cross multiply
    122,087.04x = 183,128.64 × 89,016.96
  4. Step 4: Simplify right side
    122,087.04x = 16,301,554,821.73
  5. Step 5: Solve for x
    x = 16,301,554,821.73/122,087.04
  6. Step 6: Final answer
    x = 133,524.04

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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.