Home / 205,679.07-308,557.21-93,367.16

Finding the Fourth Proportional to 205,679.07, 308,557.21 and 93,367.16

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Solution

The fourth proportional to 205,679.07, 308,557.21 and 93,367.16 is: 140,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,679.07 : 308,557.21 = 93,367.16 : x
  2. Step 2: Convert to fraction form
    205,679.07/308,557.21 = 93,367.16/x
  3. Step 3: Cross multiply
    205,679.07x = 308,557.21 × 93,367.16
  4. Step 4: Simplify right side
    205,679.07x = 28,809,110,395.22
  5. Step 5: Solve for x
    x = 28,809,110,395.22/205,679.07
  6. Step 6: Final answer
    x = 140,068.26

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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.