Home / 106,458.42-146,954.61-64,008.75

Finding the Fourth Proportional to 106,458.42, 146,954.61 and 64,008.75

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Solution

The fourth proportional to 106,458.42, 146,954.61 and 64,008.75 is: 88,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458.42 : 146,954.61 = 64,008.75 : x
  2. Step 2: Convert to fraction form
    106,458.42/146,954.61 = 64,008.75/x
  3. Step 3: Cross multiply
    106,458.42x = 146,954.61 × 64,008.75
  4. Step 4: Simplify right side
    106,458.42x = 9,406,380,892.84
  5. Step 5: Solve for x
    x = 9,406,380,892.84/106,458.42
  6. Step 6: Final answer
    x = 88,357.32

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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.