Home / 119,804.64-179,639.53-39,799.78

Finding the Fourth Proportional to 119,804.64, 179,639.53 and 39,799.78

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Solution

The fourth proportional to 119,804.64, 179,639.53 and 39,799.78 is: 59,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,804.64 : 179,639.53 = 39,799.78 : x
  2. Step 2: Convert to fraction form
    119,804.64/179,639.53 = 39,799.78/x
  3. Step 3: Cross multiply
    119,804.64x = 179,639.53 × 39,799.78
  4. Step 4: Simplify right side
    119,804.64x = 7,149,613,224.71
  5. Step 5: Solve for x
    x = 7,149,613,224.71/119,804.64
  6. Step 6: Final answer
    x = 59,677.26

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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.