Home / 181,770.20-250,840.50-105,299.72

Finding the Fourth Proportional to 181,770.20, 250,840.50 and 105,299.72

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Solution

The fourth proportional to 181,770.20, 250,840.50 and 105,299.72 is: 145,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,770.20 : 250,840.50 = 105,299.72 : x
  2. Step 2: Convert to fraction form
    181,770.20/250,840.50 = 105,299.72/x
  3. Step 3: Cross multiply
    181,770.20x = 250,840.50 × 105,299.72
  4. Step 4: Simplify right side
    181,770.20x = 26,413,434,414.66
  5. Step 5: Solve for x
    x = 26,413,434,414.66/181,770.20
  6. Step 6: Final answer
    x = 145,312.24

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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.