Home / 120,457.06-166,223.75-66,738.87

Finding the Fourth Proportional to 120,457.06, 166,223.75 and 66,738.87

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Solution

The fourth proportional to 120,457.06, 166,223.75 and 66,738.87 is: 92,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,457.06 : 166,223.75 = 66,738.87 : x
  2. Step 2: Convert to fraction form
    120,457.06/166,223.75 = 66,738.87/x
  3. Step 3: Cross multiply
    120,457.06x = 166,223.75 × 66,738.87
  4. Step 4: Simplify right side
    120,457.06x = 11,093,584,908.47
  5. Step 5: Solve for x
    x = 11,093,584,908.47/120,457.06
  6. Step 6: Final answer
    x = 92,095.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.