Home / 132,618.27-183,036.93-84,869.98

Finding the Fourth Proportional to 132,618.27, 183,036.93 and 84,869.98

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Solution

The fourth proportional to 132,618.27, 183,036.93 and 84,869.98 is: 117,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,618.27 : 183,036.93 = 84,869.98 : x
  2. Step 2: Convert to fraction form
    132,618.27/183,036.93 = 84,869.98/x
  3. Step 3: Cross multiply
    132,618.27x = 183,036.93 × 84,869.98
  4. Step 4: Simplify right side
    132,618.27x = 15,534,340,588.36
  5. Step 5: Solve for x
    x = 15,534,340,588.36/132,618.27
  6. Step 6: Final answer
    x = 117,135.75

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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.