Home / 160,431.66-221,398.31-87,833.34

Finding the Fourth Proportional to 160,431.66, 221,398.31 and 87,833.34

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Solution

The fourth proportional to 160,431.66, 221,398.31 and 87,833.34 is: 121,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.66 : 221,398.31 = 87,833.34 : x
  2. Step 2: Convert to fraction form
    160,431.66/221,398.31 = 87,833.34/x
  3. Step 3: Cross multiply
    160,431.66x = 221,398.31 × 87,833.34
  4. Step 4: Simplify right side
    160,431.66x = 19,446,153,037.66
  5. Step 5: Solve for x
    x = 19,446,153,037.66/160,431.66
  6. Step 6: Final answer
    x = 121,211.44

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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.