Home / 179,133.60-268,687.44-85,614.24

Finding the Fourth Proportional to 179,133.60, 268,687.44 and 85,614.24

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Solution

The fourth proportional to 179,133.60, 268,687.44 and 85,614.24 is: 128,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,133.60 : 268,687.44 = 85,614.24 : x
  2. Step 2: Convert to fraction form
    179,133.60/268,687.44 = 85,614.24/x
  3. Step 3: Cross multiply
    179,133.60x = 268,687.44 × 85,614.24
  4. Step 4: Simplify right side
    179,133.60x = 23,003,470,973.15
  5. Step 5: Solve for x
    x = 23,003,470,973.15/179,133.60
  6. Step 6: Final answer
    x = 128,415.17

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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.