Home / 122,087.10-183,412.07-117,042.69

Finding the Fourth Proportional to 122,087.10, 183,412.07 and 117,042.69

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Solution

The fourth proportional to 122,087.10, 183,412.07 and 117,042.69 is: 175,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,087.10 : 183,412.07 = 117,042.69 : x
  2. Step 2: Convert to fraction form
    122,087.10/183,412.07 = 117,042.69/x
  3. Step 3: Cross multiply
    122,087.10x = 183,412.07 × 117,042.69
  4. Step 4: Simplify right side
    122,087.10x = 21,467,041,466.05
  5. Step 5: Solve for x
    x = 21,467,041,466.05/122,087.10
  6. Step 6: Final answer
    x = 175,833.82

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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.