Home / 164,958.12-247,561.57-120,699.06

Finding the Fourth Proportional to 164,958.12, 247,561.57 and 120,699.06

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Solution

The fourth proportional to 164,958.12, 247,561.57 and 120,699.06 is: 181,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,958.12 : 247,561.57 = 120,699.06 : x
  2. Step 2: Convert to fraction form
    164,958.12/247,561.57 = 120,699.06/x
  3. Step 3: Cross multiply
    164,958.12x = 247,561.57 × 120,699.06
  4. Step 4: Simplify right side
    164,958.12x = 29,880,446,949.82
  5. Step 5: Solve for x
    x = 29,880,446,949.82/164,958.12
  6. Step 6: Final answer
    x = 181,139.60

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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.