Home / 106,904.56-147,530.70-69,244.36

Finding the Fourth Proportional to 106,904.56, 147,530.70 and 69,244.36

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Solution

The fourth proportional to 106,904.56, 147,530.70 and 69,244.36 is: 95,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,904.56 : 147,530.70 = 69,244.36 : x
  2. Step 2: Convert to fraction form
    106,904.56/147,530.70 = 69,244.36/x
  3. Step 3: Cross multiply
    106,904.56x = 147,530.70 × 69,244.36
  4. Step 4: Simplify right side
    106,904.56x = 10,215,668,901.85
  5. Step 5: Solve for x
    x = 10,215,668,901.85/106,904.56
  6. Step 6: Final answer
    x = 95,558.78

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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.