Home / 160,322.93-221,242.21-87,725.54

Finding the Fourth Proportional to 160,322.93, 221,242.21 and 87,725.54

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Solution

The fourth proportional to 160,322.93, 221,242.21 and 87,725.54 is: 121,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,322.93 : 221,242.21 = 87,725.54 : x
  2. Step 2: Convert to fraction form
    160,322.93/221,242.21 = 87,725.54/x
  3. Step 3: Cross multiply
    160,322.93x = 221,242.21 × 87,725.54
  4. Step 4: Simplify right side
    160,322.93x = 19,408,591,346.49
  5. Step 5: Solve for x
    x = 19,408,591,346.49/160,322.93
  6. Step 6: Final answer
    x = 121,059.36

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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.