Home / 258,171.15-386,695.92-124,771.64

Finding the Fourth Proportional to 258,171.15, 386,695.92 and 124,771.64

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Solution

The fourth proportional to 258,171.15, 386,695.92 and 124,771.64 is: 186,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,171.15 : 386,695.92 = 124,771.64 : x
  2. Step 2: Convert to fraction form
    258,171.15/386,695.92 = 124,771.64/x
  3. Step 3: Cross multiply
    258,171.15x = 386,695.92 × 124,771.64
  4. Step 4: Simplify right side
    258,171.15x = 48,248,684,829.29
  5. Step 5: Solve for x
    x = 48,248,684,829.29/258,171.15
  6. Step 6: Final answer
    x = 186,886.43

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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.