Home / 113,209.88-169,091.42-102,520.94

Finding the Fourth Proportional to 113,209.88, 169,091.42 and 102,520.94

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Solution

The fourth proportional to 113,209.88, 169,091.42 and 102,520.94 is: 153,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.88 : 169,091.42 = 102,520.94 : x
  2. Step 2: Convert to fraction form
    113,209.88/169,091.42 = 102,520.94/x
  3. Step 3: Cross multiply
    113,209.88x = 169,091.42 × 102,520.94
  4. Step 4: Simplify right side
    113,209.88x = 17,335,409,966.27
  5. Step 5: Solve for x
    x = 17,335,409,966.27/113,209.88
  6. Step 6: Final answer
    x = 153,126.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.