Home / 106,140.80-159,175.68-42,944.64

Finding the Fourth Proportional to 106,140.80, 159,175.68 and 42,944.64

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Solution

The fourth proportional to 106,140.80, 159,175.68 and 42,944.64 is: 64,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.80 : 159,175.68 = 42,944.64 : x
  2. Step 2: Convert to fraction form
    106,140.80/159,175.68 = 42,944.64/x
  3. Step 3: Cross multiply
    106,140.80x = 159,175.68 × 42,944.64
  4. Step 4: Simplify right side
    106,140.80x = 6,835,742,274.36
  5. Step 5: Solve for x
    x = 6,835,742,274.36/106,140.80
  6. Step 6: Final answer
    x = 64,402.59

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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.