Home / 177,651.45-245,172.98-101,173.78

Finding the Fourth Proportional to 177,651.45, 245,172.98 and 101,173.78

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Solution

The fourth proportional to 177,651.45, 245,172.98 and 101,173.78 is: 139,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,651.45 : 245,172.98 = 101,173.78 : x
  2. Step 2: Convert to fraction form
    177,651.45/245,172.98 = 101,173.78/x
  3. Step 3: Cross multiply
    177,651.45x = 245,172.98 × 101,173.78
  4. Step 4: Simplify right side
    177,651.45x = 24,805,077,140.46
  5. Step 5: Solve for x
    x = 24,805,077,140.46/177,651.45
  6. Step 6: Final answer
    x = 139,627.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.