Home / 132,971.29-183,496.74-72,541.92

Finding the Fourth Proportional to 132,971.29, 183,496.74 and 72,541.92

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Solution

The fourth proportional to 132,971.29, 183,496.74 and 72,541.92 is: 100,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,971.29 : 183,496.74 = 72,541.92 : x
  2. Step 2: Convert to fraction form
    132,971.29/183,496.74 = 72,541.92/x
  3. Step 3: Cross multiply
    132,971.29x = 183,496.74 × 72,541.92
  4. Step 4: Simplify right side
    132,971.29x = 13,311,205,969.36
  5. Step 5: Solve for x
    x = 13,311,205,969.36/132,971.29
  6. Step 6: Final answer
    x = 100,105.86

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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.