Home / 120,733.10-181,277.34-67,529.28

Finding the Fourth Proportional to 120,733.10, 181,277.34 and 67,529.28

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Solution

The fourth proportional to 120,733.10, 181,277.34 and 67,529.28 is: 101,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,733.10 : 181,277.34 = 67,529.28 : x
  2. Step 2: Convert to fraction form
    120,733.10/181,277.34 = 67,529.28/x
  3. Step 3: Cross multiply
    120,733.10x = 181,277.34 × 67,529.28
  4. Step 4: Simplify right side
    120,733.10x = 12,241,528,250.52
  5. Step 5: Solve for x
    x = 12,241,528,250.52/120,733.10
  6. Step 6: Final answer
    x = 101,393.31

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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.