Home / 106,648.04-147,202.65-66,338.87

Finding the Fourth Proportional to 106,648.04, 147,202.65 and 66,338.87

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Solution

The fourth proportional to 106,648.04, 147,202.65 and 66,338.87 is: 91,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,648.04 : 147,202.65 = 66,338.87 : x
  2. Step 2: Convert to fraction form
    106,648.04/147,202.65 = 66,338.87/x
  3. Step 3: Cross multiply
    106,648.04x = 147,202.65 × 66,338.87
  4. Step 4: Simplify right side
    106,648.04x = 9,765,256,725.99
  5. Step 5: Solve for x
    x = 9,765,256,725.99/106,648.04
  6. Step 6: Final answer
    x = 91,565.27

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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.