Home / 119,455.52-179,208.90-39,489.21

Finding the Fourth Proportional to 119,455.52, 179,208.90 and 39,489.21

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Solution

The fourth proportional to 119,455.52, 179,208.90 and 39,489.21 is: 59,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,455.52 : 179,208.90 = 39,489.21 : x
  2. Step 2: Convert to fraction form
    119,455.52/179,208.90 = 39,489.21/x
  3. Step 3: Cross multiply
    119,455.52x = 179,208.90 × 39,489.21
  4. Step 4: Simplify right side
    119,455.52x = 7,076,817,885.97
  5. Step 5: Solve for x
    x = 7,076,817,885.97/119,455.52
  6. Step 6: Final answer
    x = 59,242.29

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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.