Home / 112,448.20-168,623.70-56,266.60

Finding the Fourth Proportional to 112,448.20, 168,623.70 and 56,266.60

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Solution

The fourth proportional to 112,448.20, 168,623.70 and 56,266.60 is: 84,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448.20 : 168,623.70 = 56,266.60 : x
  2. Step 2: Convert to fraction form
    112,448.20/168,623.70 = 56,266.60/x
  3. Step 3: Cross multiply
    112,448.20x = 168,623.70 × 56,266.60
  4. Step 4: Simplify right side
    112,448.20x = 9,487,882,278.42
  5. Step 5: Solve for x
    x = 9,487,882,278.42/112,448.20
  6. Step 6: Final answer
    x = 84,375.58

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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.