Home / 103,274.36-154,714.07-69,830.27

Finding the Fourth Proportional to 103,274.36, 154,714.07 and 69,830.27

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Solution

The fourth proportional to 103,274.36, 154,714.07 and 69,830.27 is: 104,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274.36 : 154,714.07 = 69,830.27 : x
  2. Step 2: Convert to fraction form
    103,274.36/154,714.07 = 69,830.27/x
  3. Step 3: Cross multiply
    103,274.36x = 154,714.07 × 69,830.27
  4. Step 4: Simplify right side
    103,274.36x = 10,803,725,842.26
  5. Step 5: Solve for x
    x = 10,803,725,842.26/103,274.36
  6. Step 6: Final answer
    x = 104,611.89

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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.