Home / 119,017.26-178,525.11-30,270

Finding the Fourth Proportional to 119,017.26, 178,525.11 and 30,270

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Solution

The fourth proportional to 119,017.26, 178,525.11 and 30,270 is: 45,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,017.26 : 178,525.11 = 30,270 : x
  2. Step 2: Convert to fraction form
    119,017.26/178,525.11 = 30,270/x
  3. Step 3: Cross multiply
    119,017.26x = 178,525.11 × 30,270
  4. Step 4: Simplify right side
    119,017.26x = 5,403,955,079.70
  5. Step 5: Solve for x
    x = 5,403,955,079.70/119,017.26
  6. Step 6: Final answer
    x = 45,404.80

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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.