Home / 198,156.52-297,172.34-65,005.75

Finding the Fourth Proportional to 198,156.52, 297,172.34 and 65,005.75

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Solution

The fourth proportional to 198,156.52, 297,172.34 and 65,005.75 is: 97,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,156.52 : 297,172.34 = 65,005.75 : x
  2. Step 2: Convert to fraction form
    198,156.52/297,172.34 = 65,005.75/x
  3. Step 3: Cross multiply
    198,156.52x = 297,172.34 × 65,005.75
  4. Step 4: Simplify right side
    198,156.52x = 19,317,909,276.74
  5. Step 5: Solve for x
    x = 19,317,909,276.74/198,156.52
  6. Step 6: Final answer
    x = 97,488.14

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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.