Home / 112,181.92-168,223.58-42,012.02

Finding the Fourth Proportional to 112,181.92, 168,223.58 and 42,012.02

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Solution

The fourth proportional to 112,181.92, 168,223.58 and 42,012.02 is: 62,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.92 : 168,223.58 = 42,012.02 : x
  2. Step 2: Convert to fraction form
    112,181.92/168,223.58 = 42,012.02/x
  3. Step 3: Cross multiply
    112,181.92x = 168,223.58 × 42,012.02
  4. Step 4: Simplify right side
    112,181.92x = 7,067,412,197.37
  5. Step 5: Solve for x
    x = 7,067,412,197.37/112,181.92
  6. Step 6: Final answer
    x = 62,999.57

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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.