Home / 131,890.54-182,017.88-74,509.96

Finding the Fourth Proportional to 131,890.54, 182,017.88 and 74,509.96

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Solution

The fourth proportional to 131,890.54, 182,017.88 and 74,509.96 is: 102,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.54 : 182,017.88 = 74,509.96 : x
  2. Step 2: Convert to fraction form
    131,890.54/182,017.88 = 74,509.96/x
  3. Step 3: Cross multiply
    131,890.54x = 182,017.88 × 74,509.96
  4. Step 4: Simplify right side
    131,890.54x = 13,562,144,958.08
  5. Step 5: Solve for x
    x = 13,562,144,958.08/131,890.54
  6. Step 6: Final answer
    x = 102,828.79

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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.