Home / 131,307.34-196,918.89-42,539.44

Finding the Fourth Proportional to 131,307.34, 196,918.89 and 42,539.44

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Solution

The fourth proportional to 131,307.34, 196,918.89 and 42,539.44 is: 63,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,307.34 : 196,918.89 = 42,539.44 : x
  2. Step 2: Convert to fraction form
    131,307.34/196,918.89 = 42,539.44/x
  3. Step 3: Cross multiply
    131,307.34x = 196,918.89 × 42,539.44
  4. Step 4: Simplify right side
    131,307.34x = 8,376,819,306.02
  5. Step 5: Solve for x
    x = 8,376,819,306.02/131,307.34
  6. Step 6: Final answer
    x = 63,795.51

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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.