Home / 151,450.74-209,006.26-86,925.54

Finding the Fourth Proportional to 151,450.74, 209,006.26 and 86,925.54

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Solution

The fourth proportional to 151,450.74, 209,006.26 and 86,925.54 is: 119,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,450.74 : 209,006.26 = 86,925.54 : x
  2. Step 2: Convert to fraction form
    151,450.74/209,006.26 = 86,925.54/x
  3. Step 3: Cross multiply
    151,450.74x = 209,006.26 × 86,925.54
  4. Step 4: Simplify right side
    151,450.74x = 18,167,982,013.88
  5. Step 5: Solve for x
    x = 18,167,982,013.88/151,450.74
  6. Step 6: Final answer
    x = 119,959.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.