Home / 112,519.20-168,673.20-42,445.60

Finding the Fourth Proportional to 112,519.20, 168,673.20 and 42,445.60

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Solution

The fourth proportional to 112,519.20, 168,673.20 and 42,445.60 is: 63,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.20 : 168,673.20 = 42,445.60 : x
  2. Step 2: Convert to fraction form
    112,519.20/168,673.20 = 42,445.60/x
  3. Step 3: Cross multiply
    112,519.20x = 168,673.20 × 42,445.60
  4. Step 4: Simplify right side
    112,519.20x = 7,159,435,177.92
  5. Step 5: Solve for x
    x = 7,159,435,177.92/112,519.20
  6. Step 6: Final answer
    x = 63,628.56

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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.