Home / 109,026.20-163,409.70-45,846.20

Finding the Fourth Proportional to 109,026.20, 163,409.70 and 45,846.20

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Solution

The fourth proportional to 109,026.20, 163,409.70 and 45,846.20 is: 68,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,026.20 : 163,409.70 = 45,846.20 : x
  2. Step 2: Convert to fraction form
    109,026.20/163,409.70 = 45,846.20/x
  3. Step 3: Cross multiply
    109,026.20x = 163,409.70 × 45,846.20
  4. Step 4: Simplify right side
    109,026.20x = 7,491,713,788.14
  5. Step 5: Solve for x
    x = 7,491,713,788.14/109,026.20
  6. Step 6: Final answer
    x = 68,714.80

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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.