Home / 151,460.92-209,040.24-115,582.78

Finding the Fourth Proportional to 151,460.92, 209,040.24 and 115,582.78

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Solution

The fourth proportional to 151,460.92, 209,040.24 and 115,582.78 is: 159,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,460.92 : 209,040.24 = 115,582.78 : x
  2. Step 2: Convert to fraction form
    151,460.92/209,040.24 = 115,582.78/x
  3. Step 3: Cross multiply
    151,460.92x = 209,040.24 × 115,582.78
  4. Step 4: Simplify right side
    151,460.92x = 24,161,452,071.07
  5. Step 5: Solve for x
    x = 24,161,452,071.07/151,460.92
  6. Step 6: Final answer
    x = 159,522.68

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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.