Home / 147,699.12-203,842.32-83,170.44

Finding the Fourth Proportional to 147,699.12, 203,842.32 and 83,170.44

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Solution

The fourth proportional to 147,699.12, 203,842.32 and 83,170.44 is: 114,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,699.12 : 203,842.32 = 83,170.44 : x
  2. Step 2: Convert to fraction form
    147,699.12/203,842.32 = 83,170.44/x
  3. Step 3: Cross multiply
    147,699.12x = 203,842.32 × 83,170.44
  4. Step 4: Simplify right side
    147,699.12x = 16,953,655,445.02
  5. Step 5: Solve for x
    x = 16,953,655,445.02/147,699.12
  6. Step 6: Final answer
    x = 114,785.08

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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.