Home / 253,097.17-379,501.98-103,161.85

Finding the Fourth Proportional to 253,097.17, 379,501.98 and 103,161.85

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Solution

The fourth proportional to 253,097.17, 379,501.98 and 103,161.85 is: 154,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,097.17 : 379,501.98 = 103,161.85 : x
  2. Step 2: Convert to fraction form
    253,097.17/379,501.98 = 103,161.85/x
  3. Step 3: Cross multiply
    253,097.17x = 379,501.98 × 103,161.85
  4. Step 4: Simplify right side
    253,097.17x = 39,150,126,335.46
  5. Step 5: Solve for x
    x = 39,150,126,335.46/253,097.17
  6. Step 6: Final answer
    x = 154,684.17

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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.