Home / 114,911.40-172,496.70-88,732.20

Finding the Fourth Proportional to 114,911.40, 172,496.70 and 88,732.20

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Solution

The fourth proportional to 114,911.40, 172,496.70 and 88,732.20 is: 133,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,911.40 : 172,496.70 = 88,732.20 : x
  2. Step 2: Convert to fraction form
    114,911.40/172,496.70 = 88,732.20/x
  3. Step 3: Cross multiply
    114,911.40x = 172,496.70 × 88,732.20
  4. Step 4: Simplify right side
    114,911.40x = 15,306,011,683.74
  5. Step 5: Solve for x
    x = 15,306,011,683.74/114,911.40
  6. Step 6: Final answer
    x = 133,198.37

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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.