Home / 131,320.67-196,665.35-74,990.23

Finding the Fourth Proportional to 131,320.67, 196,665.35 and 74,990.23

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Solution

The fourth proportional to 131,320.67, 196,665.35 and 74,990.23 is: 112,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,320.67 : 196,665.35 = 74,990.23 : x
  2. Step 2: Convert to fraction form
    131,320.67/196,665.35 = 74,990.23/x
  3. Step 3: Cross multiply
    131,320.67x = 196,665.35 × 74,990.23
  4. Step 4: Simplify right side
    131,320.67x = 14,747,978,962.92
  5. Step 5: Solve for x
    x = 14,747,978,962.92/131,320.67
  6. Step 6: Final answer
    x = 112,305.09

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1.5x scale

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.