Home / 114,739.34-172,103.54-43,678.31

Finding the Fourth Proportional to 114,739.34, 172,103.54 and 43,678.31

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Solution

The fourth proportional to 114,739.34, 172,103.54 and 43,678.31 is: 65,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.34 : 172,103.54 = 43,678.31 : x
  2. Step 2: Convert to fraction form
    114,739.34/172,103.54 = 43,678.31/x
  3. Step 3: Cross multiply
    114,739.34x = 172,103.54 × 43,678.31
  4. Step 4: Simplify right side
    114,739.34x = 7,517,190,693.31
  5. Step 5: Solve for x
    x = 7,517,190,693.31/114,739.34
  6. Step 6: Final answer
    x = 65,515.38

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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.