Home / 160,220.44-221,110.02-103,631.80

Finding the Fourth Proportional to 160,220.44, 221,110.02 and 103,631.80

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Solution

The fourth proportional to 160,220.44, 221,110.02 and 103,631.80 is: 143,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,220.44 : 221,110.02 = 103,631.80 : x
  2. Step 2: Convert to fraction form
    160,220.44/221,110.02 = 103,631.80/x
  3. Step 3: Cross multiply
    160,220.44x = 221,110.02 × 103,631.80
  4. Step 4: Simplify right side
    160,220.44x = 22,914,029,370.64
  5. Step 5: Solve for x
    x = 22,914,029,370.64/160,220.44
  6. Step 6: Final answer
    x = 143,015.64

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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.