Home / 187,288.69-258,458.04-101,247.73

Finding the Fourth Proportional to 187,288.69, 258,458.04 and 101,247.73

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Solution

The fourth proportional to 187,288.69, 258,458.04 and 101,247.73 is: 139,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288.69 : 258,458.04 = 101,247.73 : x
  2. Step 2: Convert to fraction form
    187,288.69/258,458.04 = 101,247.73/x
  3. Step 3: Cross multiply
    187,288.69x = 258,458.04 × 101,247.73
  4. Step 4: Simplify right side
    187,288.69x = 26,168,289,850.25
  5. Step 5: Solve for x
    x = 26,168,289,850.25/187,288.69
  6. Step 6: Final answer
    x = 139,721.68

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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.