Home / 160,735.76-221,805.60-89,111.48

Finding the Fourth Proportional to 160,735.76, 221,805.60 and 89,111.48

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Solution

The fourth proportional to 160,735.76, 221,805.60 and 89,111.48 is: 122,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,735.76 : 221,805.60 = 89,111.48 : x
  2. Step 2: Convert to fraction form
    160,735.76/221,805.60 = 89,111.48/x
  3. Step 3: Cross multiply
    160,735.76x = 221,805.60 × 89,111.48
  4. Step 4: Simplify right side
    160,735.76x = 19,765,425,288.29
  5. Step 5: Solve for x
    x = 19,765,425,288.29/160,735.76
  6. Step 6: Final answer
    x = 122,968.44

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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.