Home / 119,664.54-179,117.73-66,914.10

Finding the Fourth Proportional to 119,664.54, 179,117.73 and 66,914.10

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Solution

The fourth proportional to 119,664.54, 179,117.73 and 66,914.10 is: 100,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.54 : 179,117.73 = 66,914.10 : x
  2. Step 2: Convert to fraction form
    119,664.54/179,117.73 = 66,914.10/x
  3. Step 3: Cross multiply
    119,664.54x = 179,117.73 × 66,914.10
  4. Step 4: Simplify right side
    119,664.54x = 11,985,501,696.99
  5. Step 5: Solve for x
    x = 11,985,501,696.99/119,664.54
  6. Step 6: Final answer
    x = 100,159.18

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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.