Home / 177,647.95-245,168.15-101,170.28

Finding the Fourth Proportional to 177,647.95, 245,168.15 and 101,170.28

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Solution

The fourth proportional to 177,647.95, 245,168.15 and 101,170.28 is: 139,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,647.95 : 245,168.15 = 101,170.28 : x
  2. Step 2: Convert to fraction form
    177,647.95/245,168.15 = 101,170.28/x
  3. Step 3: Cross multiply
    177,647.95x = 245,168.15 × 101,170.28
  4. Step 4: Simplify right side
    177,647.95x = 24,803,729,876.73
  5. Step 5: Solve for x
    x = 24,803,729,876.73/177,647.95
  6. Step 6: Final answer
    x = 139,622.94

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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.