Home / 112,359.48-168,539.67-28,119.41

Finding the Fourth Proportional to 112,359.48, 168,539.67 and 28,119.41

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Solution

The fourth proportional to 112,359.48, 168,539.67 and 28,119.41 is: 42,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,359.48 : 168,539.67 = 28,119.41 : x
  2. Step 2: Convert to fraction form
    112,359.48/168,539.67 = 28,119.41/x
  3. Step 3: Cross multiply
    112,359.48x = 168,539.67 × 28,119.41
  4. Step 4: Simplify right side
    112,359.48x = 4,739,236,081.99
  5. Step 5: Solve for x
    x = 4,739,236,081.99/112,359.48
  6. Step 6: Final answer
    x = 42,179.23

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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.