Home / 259,058.18-388,485.20-125,899.04

Finding the Fourth Proportional to 259,058.18, 388,485.20 and 125,899.04

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Solution

The fourth proportional to 259,058.18, 388,485.20 and 125,899.04 is: 188,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,058.18 : 388,485.20 = 125,899.04 : x
  2. Step 2: Convert to fraction form
    259,058.18/388,485.20 = 125,899.04/x
  3. Step 3: Cross multiply
    259,058.18x = 388,485.20 × 125,899.04
  4. Step 4: Simplify right side
    259,058.18x = 48,909,913,734.21
  5. Step 5: Solve for x
    x = 48,909,913,734.21/259,058.18
  6. Step 6: Final answer
    x = 188,798.96

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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.