Home / 156,819.07-216,362.64-88,825.24

Finding the Fourth Proportional to 156,819.07, 216,362.64 and 88,825.24

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Solution

The fourth proportional to 156,819.07, 216,362.64 and 88,825.24 is: 122,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,819.07 : 216,362.64 = 88,825.24 : x
  2. Step 2: Convert to fraction form
    156,819.07/216,362.64 = 88,825.24/x
  3. Step 3: Cross multiply
    156,819.07x = 216,362.64 × 88,825.24
  4. Step 4: Simplify right side
    156,819.07x = 19,218,463,425.03
  5. Step 5: Solve for x
    x = 19,218,463,425.03/156,819.07
  6. Step 6: Final answer
    x = 122,551.83

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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.