Home / 131,529.72-197,149.32-83,995.20

Finding the Fourth Proportional to 131,529.72, 197,149.32 and 83,995.20

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Solution

The fourth proportional to 131,529.72, 197,149.32 and 83,995.20 is: 125,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,529.72 : 197,149.32 = 83,995.20 : x
  2. Step 2: Convert to fraction form
    131,529.72/197,149.32 = 83,995.20/x
  3. Step 3: Cross multiply
    131,529.72x = 197,149.32 × 83,995.20
  4. Step 4: Simplify right side
    131,529.72x = 16,559,596,563.26
  5. Step 5: Solve for x
    x = 16,559,596,563.26/131,529.72
  6. Step 6: Final answer
    x = 125,900.04

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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.