Home / 163,839.51-245,677.05-79,546.86

Finding the Fourth Proportional to 163,839.51, 245,677.05 and 79,546.86

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Solution

The fourth proportional to 163,839.51, 245,677.05 and 79,546.86 is: 119,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,839.51 : 245,677.05 = 79,546.86 : x
  2. Step 2: Convert to fraction form
    163,839.51/245,677.05 = 79,546.86/x
  3. Step 3: Cross multiply
    163,839.51x = 245,677.05 × 79,546.86
  4. Step 4: Simplify right side
    163,839.51x = 19,542,837,901.56
  5. Step 5: Solve for x
    x = 19,542,837,901.56/163,839.51
  6. Step 6: Final answer
    x = 119,280.37

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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.