Home / 160,285.56-221,172.41-91,383.92

Finding the Fourth Proportional to 160,285.56, 221,172.41 and 91,383.92

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Solution

The fourth proportional to 160,285.56, 221,172.41 and 91,383.92 is: 126,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,285.56 : 221,172.41 = 91,383.92 : x
  2. Step 2: Convert to fraction form
    160,285.56/221,172.41 = 91,383.92/x
  3. Step 3: Cross multiply
    160,285.56x = 221,172.41 × 91,383.92
  4. Step 4: Simplify right side
    160,285.56x = 20,211,600,944.24
  5. Step 5: Solve for x
    x = 20,211,600,944.24/160,285.56
  6. Step 6: Final answer
    x = 126,097.45

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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.