Home / 132,822.40-199,003.20-86,051.20

Finding the Fourth Proportional to 132,822.40, 199,003.20 and 86,051.20

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Solution

The fourth proportional to 132,822.40, 199,003.20 and 86,051.20 is: 128,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,822.40 : 199,003.20 = 86,051.20 : x
  2. Step 2: Convert to fraction form
    132,822.40/199,003.20 = 86,051.20/x
  3. Step 3: Cross multiply
    132,822.40x = 199,003.20 × 86,051.20
  4. Step 4: Simplify right side
    132,822.40x = 17,124,464,163.84
  5. Step 5: Solve for x
    x = 17,124,464,163.84/132,822.40
  6. Step 6: Final answer
    x = 128,927.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.