Home / 188,025.50-259,475.19-103,142.77

Finding the Fourth Proportional to 188,025.50, 259,475.19 and 103,142.77

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Solution

The fourth proportional to 188,025.50, 259,475.19 and 103,142.77 is: 142,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,025.50 : 259,475.19 = 103,142.77 : x
  2. Step 2: Convert to fraction form
    188,025.50/259,475.19 = 103,142.77/x
  3. Step 3: Cross multiply
    188,025.50x = 259,475.19 × 103,142.77
  4. Step 4: Simplify right side
    188,025.50x = 26,762,989,842.88
  5. Step 5: Solve for x
    x = 26,762,989,842.88/188,025.50
  6. Step 6: Final answer
    x = 142,337.02

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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.