Home / 116,385.30-174,335.75-112,370.34

Finding the Fourth Proportional to 116,385.30, 174,335.75 and 112,370.34

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Solution

The fourth proportional to 116,385.30, 174,335.75 and 112,370.34 is: 168,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,385.30 : 174,335.75 = 112,370.34 : x
  2. Step 2: Convert to fraction form
    116,385.30/174,335.75 = 112,370.34/x
  3. Step 3: Cross multiply
    116,385.30x = 174,335.75 × 112,370.34
  4. Step 4: Simplify right side
    116,385.30x = 19,590,166,939.80
  5. Step 5: Solve for x
    x = 19,590,166,939.80/116,385.30
  6. Step 6: Final answer
    x = 168,321.66

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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.