Home / 156,634.99-216,104.83-88,645.21

Finding the Fourth Proportional to 156,634.99, 216,104.83 and 88,645.21

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Solution

The fourth proportional to 156,634.99, 216,104.83 and 88,645.21 is: 122,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.99 : 216,104.83 = 88,645.21 : x
  2. Step 2: Convert to fraction form
    156,634.99/216,104.83 = 88,645.21/x
  3. Step 3: Cross multiply
    156,634.99x = 216,104.83 × 88,645.21
  4. Step 4: Simplify right side
    156,634.99x = 19,156,658,037.36
  5. Step 5: Solve for x
    x = 19,156,658,037.36/156,634.99
  6. Step 6: Final answer
    x = 122,301.27

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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.