Home / 211,973.40-317,960.10-93,583.80

Finding the Fourth Proportional to 211,973.40, 317,960.10 and 93,583.80

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Solution

The fourth proportional to 211,973.40, 317,960.10 and 93,583.80 is: 140,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,973.40 : 317,960.10 = 93,583.80 : x
  2. Step 2: Convert to fraction form
    211,973.40/317,960.10 = 93,583.80/x
  3. Step 3: Cross multiply
    211,973.40x = 317,960.10 × 93,583.80
  4. Step 4: Simplify right side
    211,973.40x = 29,755,914,406.38
  5. Step 5: Solve for x
    x = 29,755,914,406.38/211,973.40
  6. Step 6: Final answer
    x = 140,375.70

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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.