Home / 187,174.54-280,602.68-81,914.86

Finding the Fourth Proportional to 187,174.54, 280,602.68 and 81,914.86

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Solution

The fourth proportional to 187,174.54, 280,602.68 and 81,914.86 is: 122,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174.54 : 280,602.68 = 81,914.86 : x
  2. Step 2: Convert to fraction form
    187,174.54/280,602.68 = 81,914.86/x
  3. Step 3: Cross multiply
    187,174.54x = 280,602.68 × 81,914.86
  4. Step 4: Simplify right side
    187,174.54x = 22,985,527,844.81
  5. Step 5: Solve for x
    x = 22,985,527,844.81/187,174.54
  6. Step 6: Final answer
    x = 122,802.64

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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.