Home / 112,445.30-168,714.58-49,232.80

Finding the Fourth Proportional to 112,445.30, 168,714.58 and 49,232.80

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Solution

The fourth proportional to 112,445.30, 168,714.58 and 49,232.80 is: 73,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445.30 : 168,714.58 = 49,232.80 : x
  2. Step 2: Convert to fraction form
    112,445.30/168,714.58 = 49,232.80/x
  3. Step 3: Cross multiply
    112,445.30x = 168,714.58 × 49,232.80
  4. Step 4: Simplify right side
    112,445.30x = 8,306,291,174.22
  5. Step 5: Solve for x
    x = 8,306,291,174.22/112,445.30
  6. Step 6: Final answer
    x = 73,869.62

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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.