Home / 117,814.10-162,681.55-109,266.44

Finding the Fourth Proportional to 117,814.10, 162,681.55 and 109,266.44

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Solution

The fourth proportional to 117,814.10, 162,681.55 and 109,266.44 is: 150,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,814.10 : 162,681.55 = 109,266.44 : x
  2. Step 2: Convert to fraction form
    117,814.10/162,681.55 = 109,266.44/x
  3. Step 3: Cross multiply
    117,814.10x = 162,681.55 × 109,266.44
  4. Step 4: Simplify right side
    117,814.10x = 17,775,632,735.61
  5. Step 5: Solve for x
    x = 17,775,632,735.61/117,814.10
  6. Step 6: Final answer
    x = 150,878.66

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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.