Home / 153,271.44-211,517.49-85,291.29

Finding the Fourth Proportional to 153,271.44, 211,517.49 and 85,291.29

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Solution

The fourth proportional to 153,271.44, 211,517.49 and 85,291.29 is: 117,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,271.44 : 211,517.49 = 85,291.29 : x
  2. Step 2: Convert to fraction form
    153,271.44/211,517.49 = 85,291.29/x
  3. Step 3: Cross multiply
    153,271.44x = 211,517.49 × 85,291.29
  4. Step 4: Simplify right side
    153,271.44x = 18,040,599,579.66
  5. Step 5: Solve for x
    x = 18,040,599,579.66/153,271.44
  6. Step 6: Final answer
    x = 117,703.60

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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.