Home / 258,087.32-386,954.08-131,482.52

Finding the Fourth Proportional to 258,087.32, 386,954.08 and 131,482.52

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Solution

The fourth proportional to 258,087.32, 386,954.08 and 131,482.52 is: 197,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,087.32 : 386,954.08 = 131,482.52 : x
  2. Step 2: Convert to fraction form
    258,087.32/386,954.08 = 131,482.52/x
  3. Step 3: Cross multiply
    258,087.32x = 386,954.08 × 131,482.52
  4. Step 4: Simplify right side
    258,087.32x = 50,877,697,562.68
  5. Step 5: Solve for x
    x = 50,877,697,562.68/258,087.32
  6. Step 6: Final answer
    x = 197,133.66

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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.