Home / 112,435.20-168,717.60-42,364.80

Finding the Fourth Proportional to 112,435.20, 168,717.60 and 42,364.80

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Solution

The fourth proportional to 112,435.20, 168,717.60 and 42,364.80 is: 63,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,435.20 : 168,717.60 = 42,364.80 : x
  2. Step 2: Convert to fraction form
    112,435.20/168,717.60 = 42,364.80/x
  3. Step 3: Cross multiply
    112,435.20x = 168,717.60 × 42,364.80
  4. Step 4: Simplify right side
    112,435.20x = 7,147,687,380.48
  5. Step 5: Solve for x
    x = 7,147,687,380.48/112,435.20
  6. Step 6: Final answer
    x = 63,571.62

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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.