Home / 160,104.40-240,147.94-81,216.57

Finding the Fourth Proportional to 160,104.40, 240,147.94 and 81,216.57

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Solution

The fourth proportional to 160,104.40, 240,147.94 and 81,216.57 is: 121,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,104.40 : 240,147.94 = 81,216.57 : x
  2. Step 2: Convert to fraction form
    160,104.40/240,147.94 = 81,216.57/x
  3. Step 3: Cross multiply
    160,104.40x = 240,147.94 × 81,216.57
  4. Step 4: Simplify right side
    160,104.40x = 19,503,992,829.16
  5. Step 5: Solve for x
    x = 19,503,992,829.16/160,104.40
  6. Step 6: Final answer
    x = 121,820.47

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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.