Home / 160,661.94-221,707.44-89,043.18

Finding the Fourth Proportional to 160,661.94, 221,707.44 and 89,043.18

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Solution

The fourth proportional to 160,661.94, 221,707.44 and 89,043.18 is: 122,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.94 : 221,707.44 = 89,043.18 : x
  2. Step 2: Convert to fraction form
    160,661.94/221,707.44 = 89,043.18/x
  3. Step 3: Cross multiply
    160,661.94x = 221,707.44 × 89,043.18
  4. Step 4: Simplify right side
    160,661.94x = 19,741,535,487.26
  5. Step 5: Solve for x
    x = 19,741,535,487.26/160,661.94
  6. Step 6: Final answer
    x = 122,876.24

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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.