Home / 160,741.73-221,822.52-89,121.77

Finding the Fourth Proportional to 160,741.73, 221,822.52 and 89,121.77

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Solution

The fourth proportional to 160,741.73, 221,822.52 and 89,121.77 is: 122,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,741.73 : 221,822.52 = 89,121.77 : x
  2. Step 2: Convert to fraction form
    160,741.73/221,822.52 = 89,121.77/x
  3. Step 3: Cross multiply
    160,741.73x = 221,822.52 × 89,121.77
  4. Step 4: Simplify right side
    160,741.73x = 19,769,215,608.26
  5. Step 5: Solve for x
    x = 19,769,215,608.26/160,741.73
  6. Step 6: Final answer
    x = 122,987.45

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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.