Home / 158,884.32-219,263-87,270.96

Finding the Fourth Proportional to 158,884.32, 219,263 and 87,270.96

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Solution

The fourth proportional to 158,884.32, 219,263 and 87,270.96 is: 120,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,884.32 : 219,263 = 87,270.96 : x
  2. Step 2: Convert to fraction form
    158,884.32/219,263 = 87,270.96/x
  3. Step 3: Cross multiply
    158,884.32x = 219,263 × 87,270.96
  4. Step 4: Simplify right side
    158,884.32x = 19,135,292,502.48
  5. Step 5: Solve for x
    x = 19,135,292,502.48/158,884.32
  6. Step 6: Final answer
    x = 120,435.37

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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.