Home / 131,510.10-196,952.02-83,977.96

Finding the Fourth Proportional to 131,510.10, 196,952.02 and 83,977.96

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Solution

The fourth proportional to 131,510.10, 196,952.02 and 83,977.96 is: 125,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,510.10 : 196,952.02 = 83,977.96 : x
  2. Step 2: Convert to fraction form
    131,510.10/196,952.02 = 83,977.96/x
  3. Step 3: Cross multiply
    131,510.10x = 196,952.02 × 83,977.96
  4. Step 4: Simplify right side
    131,510.10x = 16,539,628,857.48
  5. Step 5: Solve for x
    x = 16,539,628,857.48/131,510.10
  6. Step 6: Final answer
    x = 125,766.99

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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.