Home / 113,743.40-170,615.08-61,080.44

Finding the Fourth Proportional to 113,743.40, 170,615.08 and 61,080.44

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Solution

The fourth proportional to 113,743.40, 170,615.08 and 61,080.44 is: 91,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.40 : 170,615.08 = 61,080.44 : x
  2. Step 2: Convert to fraction form
    113,743.40/170,615.08 = 61,080.44/x
  3. Step 3: Cross multiply
    113,743.40x = 170,615.08 × 61,080.44
  4. Step 4: Simplify right side
    113,743.40x = 10,421,244,157.04
  5. Step 5: Solve for x
    x = 10,421,244,157.04/113,743.40
  6. Step 6: Final answer
    x = 91,620.65

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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.