Home / 187,835.60-259,312.92-127,727.12

Finding the Fourth Proportional to 187,835.60, 259,312.92 and 127,727.12

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Solution

The fourth proportional to 187,835.60, 259,312.92 and 127,727.12 is: 176,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,835.60 : 259,312.92 = 127,727.12 : x
  2. Step 2: Convert to fraction form
    187,835.60/259,312.92 = 127,727.12/x
  3. Step 3: Cross multiply
    187,835.60x = 259,312.92 × 127,727.12
  4. Step 4: Simplify right side
    187,835.60x = 33,121,292,450.39
  5. Step 5: Solve for x
    x = 33,121,292,450.39/187,835.60
  6. Step 6: Final answer
    x = 176,331.28

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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.