Home / 118,025.12-162,765.24-87,884.48

Finding the Fourth Proportional to 118,025.12, 162,765.24 and 87,884.48

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Solution

The fourth proportional to 118,025.12, 162,765.24 and 87,884.48 is: 121,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,025.12 : 162,765.24 = 87,884.48 : x
  2. Step 2: Convert to fraction form
    118,025.12/162,765.24 = 87,884.48/x
  3. Step 3: Cross multiply
    118,025.12x = 162,765.24 × 87,884.48
  4. Step 4: Simplify right side
    118,025.12x = 14,304,538,479.48
  5. Step 5: Solve for x
    x = 14,304,538,479.48/118,025.12
  6. Step 6: Final answer
    x = 121,199.10

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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.