Home / 158,827.64-219,182.37-87,212.22

Finding the Fourth Proportional to 158,827.64, 219,182.37 and 87,212.22

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Solution

The fourth proportional to 158,827.64, 219,182.37 and 87,212.22 is: 120,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,827.64 : 219,182.37 = 87,212.22 : x
  2. Step 2: Convert to fraction form
    158,827.64/219,182.37 = 87,212.22/x
  3. Step 3: Cross multiply
    158,827.64x = 219,182.37 × 87,212.22
  4. Step 4: Simplify right side
    158,827.64x = 19,115,381,072.56
  5. Step 5: Solve for x
    x = 19,115,381,072.56/158,827.64
  6. Step 6: Final answer
    x = 120,352.99

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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.