Home / 187,622.28-258,913.73-107,048.34

Finding the Fourth Proportional to 187,622.28, 258,913.73 and 107,048.34

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Solution

The fourth proportional to 187,622.28, 258,913.73 and 107,048.34 is: 147,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,622.28 : 258,913.73 = 107,048.34 : x
  2. Step 2: Convert to fraction form
    187,622.28/258,913.73 = 107,048.34/x
  3. Step 3: Cross multiply
    187,622.28x = 258,913.73 × 107,048.34
  4. Step 4: Simplify right side
    187,622.28x = 27,716,285,267.33
  5. Step 5: Solve for x
    x = 27,716,285,267.33/187,622.28
  6. Step 6: Final answer
    x = 147,723.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.