Home / 119,175.63-178,763.28-30,429.15

Finding the Fourth Proportional to 119,175.63, 178,763.28 and 30,429.15

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Solution

The fourth proportional to 119,175.63, 178,763.28 and 30,429.15 is: 45,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,175.63 : 178,763.28 = 30,429.15 : x
  2. Step 2: Convert to fraction form
    119,175.63/178,763.28 = 30,429.15/x
  3. Step 3: Cross multiply
    119,175.63x = 178,763.28 × 30,429.15
  4. Step 4: Simplify right side
    119,175.63x = 5,439,614,661.61
  5. Step 5: Solve for x
    x = 5,439,614,661.61/119,175.63
  6. Step 6: Final answer
    x = 45,643.68

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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.