Home / 187,107.80-258,208.76-102,224.86

Finding the Fourth Proportional to 187,107.80, 258,208.76 and 102,224.86

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Solution

The fourth proportional to 187,107.80, 258,208.76 and 102,224.86 is: 141,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,107.80 : 258,208.76 = 102,224.86 : x
  2. Step 2: Convert to fraction form
    187,107.80/258,208.76 = 102,224.86/x
  3. Step 3: Cross multiply
    187,107.80x = 258,208.76 × 102,224.86
  4. Step 4: Simplify right side
    187,107.80x = 26,395,353,951.81
  5. Step 5: Solve for x
    x = 26,395,353,951.81/187,107.80
  6. Step 6: Final answer
    x = 141,070.31

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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.