Home / 131,895.40-182,078.70-75,295.84

Finding the Fourth Proportional to 131,895.40, 182,078.70 and 75,295.84

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Solution

The fourth proportional to 131,895.40, 182,078.70 and 75,295.84 is: 103,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,895.40 : 182,078.70 = 75,295.84 : x
  2. Step 2: Convert to fraction form
    131,895.40/182,078.70 = 75,295.84/x
  3. Step 3: Cross multiply
    131,895.40x = 182,078.70 × 75,295.84
  4. Step 4: Simplify right side
    131,895.40x = 13,709,768,662.61
  5. Step 5: Solve for x
    x = 13,709,768,662.61/131,895.40
  6. Step 6: Final answer
    x = 103,944.25

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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.