Home / 131,605.29-197,339.63-56,684.21

Finding the Fourth Proportional to 131,605.29, 197,339.63 and 56,684.21

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Solution

The fourth proportional to 131,605.29, 197,339.63 and 56,684.21 is: 84,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605.29 : 197,339.63 = 56,684.21 : x
  2. Step 2: Convert to fraction form
    131,605.29/197,339.63 = 56,684.21/x
  3. Step 3: Cross multiply
    131,605.29x = 197,339.63 × 56,684.21
  4. Step 4: Simplify right side
    131,605.29x = 11,186,039,758.12
  5. Step 5: Solve for x
    x = 11,186,039,758.12/131,605.29
  6. Step 6: Final answer
    x = 84,996.89

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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.