Home / 147,484.22-203,728.56-115,621.11

Finding the Fourth Proportional to 147,484.22, 203,728.56 and 115,621.11

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Solution

The fourth proportional to 147,484.22, 203,728.56 and 115,621.11 is: 159,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,484.22 : 203,728.56 = 115,621.11 : x
  2. Step 2: Convert to fraction form
    147,484.22/203,728.56 = 115,621.11/x
  3. Step 3: Cross multiply
    147,484.22x = 203,728.56 × 115,621.11
  4. Step 4: Simplify right side
    147,484.22x = 23,555,322,852.74
  5. Step 5: Solve for x
    x = 23,555,322,852.74/147,484.22
  6. Step 6: Final answer
    x = 159,714.20

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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.