Home / 253,101.83-379,839.27-119,981.57

Finding the Fourth Proportional to 253,101.83, 379,839.27 and 119,981.57

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Solution

The fourth proportional to 253,101.83, 379,839.27 and 119,981.57 is: 180,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,101.83 : 379,839.27 = 119,981.57 : x
  2. Step 2: Convert to fraction form
    253,101.83/379,839.27 = 119,981.57/x
  3. Step 3: Cross multiply
    253,101.83x = 379,839.27 × 119,981.57
  4. Step 4: Simplify right side
    253,101.83x = 45,573,710,063.06
  5. Step 5: Solve for x
    x = 45,573,710,063.06/253,101.83
  6. Step 6: Final answer
    x = 180,060.77

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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.