Home / 109,628.40-164,442.60-39,514.80

Finding the Fourth Proportional to 109,628.40, 164,442.60 and 39,514.80

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Solution

The fourth proportional to 109,628.40, 164,442.60 and 39,514.80 is: 59,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,628.40 : 164,442.60 = 39,514.80 : x
  2. Step 2: Convert to fraction form
    109,628.40/164,442.60 = 39,514.80/x
  3. Step 3: Cross multiply
    109,628.40x = 164,442.60 × 39,514.80
  4. Step 4: Simplify right side
    109,628.40x = 6,497,916,450.48
  5. Step 5: Solve for x
    x = 6,497,916,450.48/109,628.40
  6. Step 6: Final answer
    x = 59,272.20

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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.