Home / 151,134.40-226,507.20-91,907.20

Finding the Fourth Proportional to 151,134.40, 226,507.20 and 91,907.20

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Solution

The fourth proportional to 151,134.40, 226,507.20 and 91,907.20 is: 137,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,134.40 : 226,507.20 = 91,907.20 : x
  2. Step 2: Convert to fraction form
    151,134.40/226,507.20 = 91,907.20/x
  3. Step 3: Cross multiply
    151,134.40x = 226,507.20 × 91,907.20
  4. Step 4: Simplify right side
    151,134.40x = 20,817,642,531.84
  5. Step 5: Solve for x
    x = 20,817,642,531.84/151,134.40
  6. Step 6: Final answer
    x = 137,742.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.