Home / 131,427.30-196,995.15-56,534.70

Finding the Fourth Proportional to 131,427.30, 196,995.15 and 56,534.70

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Solution

The fourth proportional to 131,427.30, 196,995.15 and 56,534.70 is: 84,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.30 : 196,995.15 = 56,534.70 : x
  2. Step 2: Convert to fraction form
    131,427.30/196,995.15 = 56,534.70/x
  3. Step 3: Cross multiply
    131,427.30x = 196,995.15 × 56,534.70
  4. Step 4: Simplify right side
    131,427.30x = 11,137,061,706.71
  5. Step 5: Solve for x
    x = 11,137,061,706.71/131,427.30
  6. Step 6: Final answer
    x = 84,739.33

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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.