Home / 118,871.82-178,307.41-30,125.07

Finding the Fourth Proportional to 118,871.82, 178,307.41 and 30,125.07

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Solution

The fourth proportional to 118,871.82, 178,307.41 and 30,125.07 is: 45,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,871.82 : 178,307.41 = 30,125.07 : x
  2. Step 2: Convert to fraction form
    118,871.82/178,307.41 = 30,125.07/x
  3. Step 3: Cross multiply
    118,871.82x = 178,307.41 × 30,125.07
  4. Step 4: Simplify right side
    118,871.82x = 5,371,522,165.61
  5. Step 5: Solve for x
    x = 5,371,522,165.61/118,871.82
  6. Step 6: Final answer
    x = 45,187.52

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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.