Home / 122,645.88-169,125.30-102,495.24

Finding the Fourth Proportional to 122,645.88, 169,125.30 and 102,495.24

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Solution

The fourth proportional to 122,645.88, 169,125.30 and 102,495.24 is: 141,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,645.88 : 169,125.30 = 102,495.24 : x
  2. Step 2: Convert to fraction form
    122,645.88/169,125.30 = 102,495.24/x
  3. Step 3: Cross multiply
    122,645.88x = 169,125.30 × 102,495.24
  4. Step 4: Simplify right side
    122,645.88x = 17,334,538,213.57
  5. Step 5: Solve for x
    x = 17,334,538,213.57/122,645.88
  6. Step 6: Final answer
    x = 141,338.12

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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.