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Finding the Fourth Proportional to 187,529.34, 280,917.09 and 87,551.58

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Solution

The fourth proportional to 187,529.34, 280,917.09 and 87,551.58 is: 131,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,529.34 : 280,917.09 = 87,551.58 : x
  2. Step 2: Convert to fraction form
    187,529.34/280,917.09 = 87,551.58/x
  3. Step 3: Cross multiply
    187,529.34x = 280,917.09 × 87,551.58
  4. Step 4: Simplify right side
    187,529.34x = 24,594,735,078.50
  5. Step 5: Solve for x
    x = 24,594,735,078.50/187,529.34
  6. Step 6: Final answer
    x = 131,151.40

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1.5x scale

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.