Home / 88,419.34-132,629.01-72,804.16

Finding the Fourth Proportional to 88,419.34, 132,629.01 and 72,804.16

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Solution

The fourth proportional to 88,419.34, 132,629.01 and 72,804.16 is: 109,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419.34 : 132,629.01 = 72,804.16 : x
  2. Step 2: Convert to fraction form
    88,419.34/132,629.01 = 72,804.16/x
  3. Step 3: Cross multiply
    88,419.34x = 132,629.01 × 72,804.16
  4. Step 4: Simplify right side
    88,419.34x = 9,655,943,664.68
  5. Step 5: Solve for x
    x = 9,655,943,664.68/88,419.34
  6. Step 6: Final answer
    x = 109,206.24

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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.