Home / 134,236.16-185,230.56-107,368.88

Finding the Fourth Proportional to 134,236.16, 185,230.56 and 107,368.88

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Solution

The fourth proportional to 134,236.16, 185,230.56 and 107,368.88 is: 148,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,236.16 : 185,230.56 = 107,368.88 : x
  2. Step 2: Convert to fraction form
    134,236.16/185,230.56 = 107,368.88/x
  3. Step 3: Cross multiply
    134,236.16x = 185,230.56 × 107,368.88
  4. Step 4: Simplify right side
    134,236.16x = 19,887,997,768.97
  5. Step 5: Solve for x
    x = 19,887,997,768.97/134,236.16
  6. Step 6: Final answer
    x = 148,156.78

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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.