Home / 187,299.20-258,451.68-110,820.64

Finding the Fourth Proportional to 187,299.20, 258,451.68 and 110,820.64

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Solution

The fourth proportional to 187,299.20, 258,451.68 and 110,820.64 is: 152,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,299.20 : 258,451.68 = 110,820.64 : x
  2. Step 2: Convert to fraction form
    187,299.20/258,451.68 = 110,820.64/x
  3. Step 3: Cross multiply
    187,299.20x = 258,451.68 × 110,820.64
  4. Step 4: Simplify right side
    187,299.20x = 28,641,780,586.68
  5. Step 5: Solve for x
    x = 28,641,780,586.68/187,299.20
  6. Step 6: Final answer
    x = 152,919.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.