Home / 160,822.07-221,789.22-100,398.29

Finding the Fourth Proportional to 160,822.07, 221,789.22 and 100,398.29

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Solution

The fourth proportional to 160,822.07, 221,789.22 and 100,398.29 is: 138,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,822.07 : 221,789.22 = 100,398.29 : x
  2. Step 2: Convert to fraction form
    160,822.07/221,789.22 = 100,398.29/x
  3. Step 3: Cross multiply
    160,822.07x = 221,789.22 × 100,398.29
  4. Step 4: Simplify right side
    160,822.07x = 22,267,258,428.43
  5. Step 5: Solve for x
    x = 22,267,258,428.43/160,822.07
  6. Step 6: Final answer
    x = 138,458.98

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1.5x scale

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.