Home / 132,110.19-182,335.32-78,425.01

Finding the Fourth Proportional to 132,110.19, 182,335.32 and 78,425.01

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Solution

The fourth proportional to 132,110.19, 182,335.32 and 78,425.01 is: 108,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.19 : 182,335.32 = 78,425.01 : x
  2. Step 2: Convert to fraction form
    132,110.19/182,335.32 = 78,425.01/x
  3. Step 3: Cross multiply
    132,110.19x = 182,335.32 × 78,425.01
  4. Step 4: Simplify right side
    132,110.19x = 14,299,649,294.35
  5. Step 5: Solve for x
    x = 14,299,649,294.35/132,110.19
  6. Step 6: Final answer
    x = 108,240.32

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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.