Home / 187,385.96-280,628.55-107,180.77

Finding the Fourth Proportional to 187,385.96, 280,628.55 and 107,180.77

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Solution

The fourth proportional to 187,385.96, 280,628.55 and 107,180.77 is: 160,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,385.96 : 280,628.55 = 107,180.77 : x
  2. Step 2: Convert to fraction form
    187,385.96/280,628.55 = 107,180.77/x
  3. Step 3: Cross multiply
    187,385.96x = 280,628.55 × 107,180.77
  4. Step 4: Simplify right side
    187,385.96x = 30,077,983,897.59
  5. Step 5: Solve for x
    x = 30,077,983,897.59/187,385.96
  6. Step 6: Final answer
    x = 160,513.54

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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.