Home / 106,612.20-159,918.30-54,124.20

Finding the Fourth Proportional to 106,612.20, 159,918.30 and 54,124.20

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Solution

The fourth proportional to 106,612.20, 159,918.30 and 54,124.20 is: 81,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,612.20 : 159,918.30 = 54,124.20 : x
  2. Step 2: Convert to fraction form
    106,612.20/159,918.30 = 54,124.20/x
  3. Step 3: Cross multiply
    106,612.20x = 159,918.30 × 54,124.20
  4. Step 4: Simplify right side
    106,612.20x = 8,655,450,052.86
  5. Step 5: Solve for x
    x = 8,655,450,052.86/106,612.20
  6. Step 6: Final answer
    x = 81,186.30

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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.