Home / 119,824.64-179,758.08-40,920.36

Finding the Fourth Proportional to 119,824.64, 179,758.08 and 40,920.36

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Solution

The fourth proportional to 119,824.64, 179,758.08 and 40,920.36 is: 61,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,824.64 : 179,758.08 = 40,920.36 : x
  2. Step 2: Convert to fraction form
    119,824.64/179,758.08 = 40,920.36/x
  3. Step 3: Cross multiply
    119,824.64x = 179,758.08 × 40,920.36
  4. Step 4: Simplify right side
    119,824.64x = 7,355,765,346.51
  5. Step 5: Solve for x
    x = 7,355,765,346.51/119,824.64
  6. Step 6: Final answer
    x = 61,387.75

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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.