Home / 187,335.34-280,715.73-127,287.34

Finding the Fourth Proportional to 187,335.34, 280,715.73 and 127,287.34

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Solution

The fourth proportional to 187,335.34, 280,715.73 and 127,287.34 is: 190,735.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,335.34 : 280,715.73 = 127,287.34 : x
  2. Step 2: Convert to fraction form
    187,335.34/280,715.73 = 127,287.34/x
  3. Step 3: Cross multiply
    187,335.34x = 280,715.73 × 127,287.34
  4. Step 4: Simplify right side
    187,335.34x = 35,731,558,567.86
  5. Step 5: Solve for x
    x = 35,731,558,567.86/187,335.34
  6. Step 6: Final answer
    x = 190,735.81

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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.