Home / 117,890.40-176,835.60-29,143.20

Finding the Fourth Proportional to 117,890.40, 176,835.60 and 29,143.20

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Solution

The fourth proportional to 117,890.40, 176,835.60 and 29,143.20 is: 43,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,890.40 : 176,835.60 = 29,143.20 : x
  2. Step 2: Convert to fraction form
    117,890.40/176,835.60 = 29,143.20/x
  3. Step 3: Cross multiply
    117,890.40x = 176,835.60 × 29,143.20
  4. Step 4: Simplify right side
    117,890.40x = 5,153,555,257.92
  5. Step 5: Solve for x
    x = 5,153,555,257.92/117,890.40
  6. Step 6: Final answer
    x = 43,714.80

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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.