Home / 117,839.03-162,621.53-66,853.91

Finding the Fourth Proportional to 117,839.03, 162,621.53 and 66,853.91

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Solution

The fourth proportional to 117,839.03, 162,621.53 and 66,853.91 is: 92,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,839.03 : 162,621.53 = 66,853.91 : x
  2. Step 2: Convert to fraction form
    117,839.03/162,621.53 = 66,853.91/x
  3. Step 3: Cross multiply
    117,839.03x = 162,621.53 × 66,853.91
  4. Step 4: Simplify right side
    117,839.03x = 10,871,883,983.31
  5. Step 5: Solve for x
    x = 10,871,883,983.31/117,839.03
  6. Step 6: Final answer
    x = 92,260.47

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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.