Home / 147,221.85-203,167.14-83,560.71

Finding the Fourth Proportional to 147,221.85, 203,167.14 and 83,560.71

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Solution

The fourth proportional to 147,221.85, 203,167.14 and 83,560.71 is: 115,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,221.85 : 203,167.14 = 83,560.71 : x
  2. Step 2: Convert to fraction form
    147,221.85/203,167.14 = 83,560.71/x
  3. Step 3: Cross multiply
    147,221.85x = 203,167.14 × 83,560.71
  4. Step 4: Simplify right side
    147,221.85x = 16,976,790,467.07
  5. Step 5: Solve for x
    x = 16,976,790,467.07/147,221.85
  6. Step 6: Final answer
    x = 115,314.34

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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.