Home / 88,142.10-132,199.40-28,977.36

Finding the Fourth Proportional to 88,142.10, 132,199.40 and 28,977.36

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Solution

The fourth proportional to 88,142.10, 132,199.40 and 28,977.36 is: 43,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.10 : 132,199.40 = 28,977.36 : x
  2. Step 2: Convert to fraction form
    88,142.10/132,199.40 = 28,977.36/x
  3. Step 3: Cross multiply
    88,142.10x = 132,199.40 × 28,977.36
  4. Step 4: Simplify right side
    88,142.10x = 3,830,789,605.58
  5. Step 5: Solve for x
    x = 3,830,789,605.58/88,142.10
  6. Step 6: Final answer
    x = 43,461.52

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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.