Home / 112,136.40-168,218.04-45,562.32

Finding the Fourth Proportional to 112,136.40, 168,218.04 and 45,562.32

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Solution

The fourth proportional to 112,136.40, 168,218.04 and 45,562.32 is: 68,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136.40 : 168,218.04 = 45,562.32 : x
  2. Step 2: Convert to fraction form
    112,136.40/168,218.04 = 45,562.32/x
  3. Step 3: Cross multiply
    112,136.40x = 168,218.04 × 45,562.32
  4. Step 4: Simplify right side
    112,136.40x = 7,664,404,168.25
  5. Step 5: Solve for x
    x = 7,664,404,168.25/112,136.40
  6. Step 6: Final answer
    x = 68,348.94

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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.