Home / 106,903.34-147,429.15-91,791.26

Finding the Fourth Proportional to 106,903.34, 147,429.15 and 91,791.26

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Solution

The fourth proportional to 106,903.34, 147,429.15 and 91,791.26 is: 126,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,903.34 : 147,429.15 = 91,791.26 : x
  2. Step 2: Convert to fraction form
    106,903.34/147,429.15 = 91,791.26/x
  3. Step 3: Cross multiply
    106,903.34x = 147,429.15 × 91,791.26
  4. Step 4: Simplify right side
    106,903.34x = 13,532,707,439.23
  5. Step 5: Solve for x
    x = 13,532,707,439.23/106,903.34
  6. Step 6: Final answer
    x = 126,588.26

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1.5x scale

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.