Home / 117,839.60-162,620.36-64,126.16

Finding the Fourth Proportional to 117,839.60, 162,620.36 and 64,126.16

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Solution

The fourth proportional to 117,839.60, 162,620.36 and 64,126.16 is: 88,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,839.60 : 162,620.36 = 64,126.16 : x
  2. Step 2: Convert to fraction form
    117,839.60/162,620.36 = 64,126.16/x
  3. Step 3: Cross multiply
    117,839.60x = 162,620.36 × 64,126.16
  4. Step 4: Simplify right side
    117,839.60x = 10,428,219,224.62
  5. Step 5: Solve for x
    x = 10,428,219,224.62/117,839.60
  6. Step 6: Final answer
    x = 88,495.03

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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.