Home / 116,432.41-160,582.74-78,180.43

Finding the Fourth Proportional to 116,432.41, 160,582.74 and 78,180.43

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Solution

The fourth proportional to 116,432.41, 160,582.74 and 78,180.43 is: 107,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,432.41 : 160,582.74 = 78,180.43 : x
  2. Step 2: Convert to fraction form
    116,432.41/160,582.74 = 78,180.43/x
  3. Step 3: Cross multiply
    116,432.41x = 160,582.74 × 78,180.43
  4. Step 4: Simplify right side
    116,432.41x = 12,554,427,272.88
  5. Step 5: Solve for x
    x = 12,554,427,272.88/116,432.41
  6. Step 6: Final answer
    x = 107,825.88

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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.