Home / 187,218.45-280,827.68-157,584.60

Finding the Fourth Proportional to 187,218.45, 280,827.68 and 157,584.60

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Solution

The fourth proportional to 187,218.45, 280,827.68 and 157,584.60 is: 236,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,218.45 : 280,827.68 = 157,584.60 : x
  2. Step 2: Convert to fraction form
    187,218.45/280,827.68 = 157,584.60/x
  3. Step 3: Cross multiply
    187,218.45x = 280,827.68 × 157,584.60
  4. Step 4: Simplify right side
    187,218.45x = 44,254,116,833.81
  5. Step 5: Solve for x
    x = 44,254,116,833.81/187,218.45
  6. Step 6: Final answer
    x = 236,376.90

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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.