Home / 119,501.82-164,844.18-74,712.06

Finding the Fourth Proportional to 119,501.82, 164,844.18 and 74,712.06

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Solution

The fourth proportional to 119,501.82, 164,844.18 and 74,712.06 is: 103,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,501.82 : 164,844.18 = 74,712.06 : x
  2. Step 2: Convert to fraction form
    119,501.82/164,844.18 = 74,712.06/x
  3. Step 3: Cross multiply
    119,501.82x = 164,844.18 × 74,712.06
  4. Step 4: Simplify right side
    119,501.82x = 12,315,848,266.81
  5. Step 5: Solve for x
    x = 12,315,848,266.81/119,501.82
  6. Step 6: Final answer
    x = 103,059.92

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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.