Home / 112,020.45-167,754.02-83,489.00

Finding the Fourth Proportional to 112,020.45, 167,754.02 and 83,489.00

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Solution

The fourth proportional to 112,020.45, 167,754.02 and 83,489.00 is: 125,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.45 : 167,754.02 = 83,489.00 : x
  2. Step 2: Convert to fraction form
    112,020.45/167,754.02 = 83,489.00/x
  3. Step 3: Cross multiply
    112,020.45x = 167,754.02 × 83,489.00
  4. Step 4: Simplify right side
    112,020.45x = 14,005,614,119.56
  5. Step 5: Solve for x
    x = 14,005,614,119.56/112,020.45
  6. Step 6: Final answer
    x = 125,027.30

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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.