Home / 115,042.60-172,628.70-44,912.80

Finding the Fourth Proportional to 115,042.60, 172,628.70 and 44,912.80

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Solution

The fourth proportional to 115,042.60, 172,628.70 and 44,912.80 is: 67,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,042.60 : 172,628.70 = 44,912.80 : x
  2. Step 2: Convert to fraction form
    115,042.60/172,628.70 = 44,912.80/x
  3. Step 3: Cross multiply
    115,042.60x = 172,628.70 × 44,912.80
  4. Step 4: Simplify right side
    115,042.60x = 7,753,238,277.36
  5. Step 5: Solve for x
    x = 7,753,238,277.36/115,042.60
  6. Step 6: Final answer
    x = 67,394.50

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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.