Home / 131,411.70-197,009.55-56,589.30

Finding the Fourth Proportional to 131,411.70, 197,009.55 and 56,589.30

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Solution

The fourth proportional to 131,411.70, 197,009.55 and 56,589.30 is: 84,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,411.70 : 197,009.55 = 56,589.30 : x
  2. Step 2: Convert to fraction form
    131,411.70/197,009.55 = 56,589.30/x
  3. Step 3: Cross multiply
    131,411.70x = 197,009.55 × 56,589.30
  4. Step 4: Simplify right side
    131,411.70x = 11,148,632,527.82
  5. Step 5: Solve for x
    x = 11,148,632,527.82/131,411.70
  6. Step 6: Final answer
    x = 84,837.44

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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.