Home / 88,569.09-132,266.57-77,838.21

Finding the Fourth Proportional to 88,569.09, 132,266.57 and 77,838.21

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Solution

The fourth proportional to 88,569.09, 132,266.57 and 77,838.21 is: 116,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,569.09 : 132,266.57 = 77,838.21 : x
  2. Step 2: Convert to fraction form
    88,569.09/132,266.57 = 77,838.21/x
  3. Step 3: Cross multiply
    88,569.09x = 132,266.57 × 77,838.21
  4. Step 4: Simplify right side
    88,569.09x = 10,295,392,662.45
  5. Step 5: Solve for x
    x = 10,295,392,662.45/88,569.09
  6. Step 6: Final answer
    x = 116,241.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.