Home / 88,138.10-132,193.40-28,973.36

Finding the Fourth Proportional to 88,138.10, 132,193.40 and 28,973.36

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Solution

The fourth proportional to 88,138.10, 132,193.40 and 28,973.36 is: 43,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138.10 : 132,193.40 = 28,973.36 : x
  2. Step 2: Convert to fraction form
    88,138.10/132,193.40 = 28,973.36/x
  3. Step 3: Cross multiply
    88,138.10x = 132,193.40 × 28,973.36
  4. Step 4: Simplify right side
    88,138.10x = 3,830,086,967.82
  5. Step 5: Solve for x
    x = 3,830,086,967.82/88,138.10
  6. Step 6: Final answer
    x = 43,455.52

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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.