Home / 88,103.10-132,166.80-31,929.60

Finding the Fourth Proportional to 88,103.10, 132,166.80 and 31,929.60

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Solution

The fourth proportional to 88,103.10, 132,166.80 and 31,929.60 is: 47,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.10 : 132,166.80 = 31,929.60 : x
  2. Step 2: Convert to fraction form
    88,103.10/132,166.80 = 31,929.60/x
  3. Step 3: Cross multiply
    88,103.10x = 132,166.80 × 31,929.60
  4. Step 4: Simplify right side
    88,103.10x = 4,220,033,057.28
  5. Step 5: Solve for x
    x = 4,220,033,057.28/88,103.10
  6. Step 6: Final answer
    x = 47,898.80

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1.5x scale

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.