Home / 177,619.10-245,102.60-101,146

Finding the Fourth Proportional to 177,619.10, 245,102.60 and 101,146

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Solution

The fourth proportional to 177,619.10, 245,102.60 and 101,146 is: 139,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,619.10 : 245,102.60 = 101,146 : x
  2. Step 2: Convert to fraction form
    177,619.10/245,102.60 = 101,146/x
  3. Step 3: Cross multiply
    177,619.10x = 245,102.60 × 101,146
  4. Step 4: Simplify right side
    177,619.10x = 24,791,147,579.60
  5. Step 5: Solve for x
    x = 24,791,147,579.60/177,619.10
  6. Step 6: Final answer
    x = 139,574.78

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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.