Home / 160,826.07-221,794.74-100,402.29

Finding the Fourth Proportional to 160,826.07, 221,794.74 and 100,402.29

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Solution

The fourth proportional to 160,826.07, 221,794.74 and 100,402.29 is: 138,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.07 : 221,794.74 = 100,402.29 : x
  2. Step 2: Convert to fraction form
    160,826.07/221,794.74 = 100,402.29/x
  3. Step 3: Cross multiply
    160,826.07x = 221,794.74 × 100,402.29
  4. Step 4: Simplify right side
    160,826.07x = 22,268,699,805.95
  5. Step 5: Solve for x
    x = 22,268,699,805.95/160,826.07
  6. Step 6: Final answer
    x = 138,464.49

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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.