Home / 113,636.24-156,819.06-62,650.77

Finding the Fourth Proportional to 113,636.24, 156,819.06 and 62,650.77

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Solution

The fourth proportional to 113,636.24, 156,819.06 and 62,650.77 is: 86,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,636.24 : 156,819.06 = 62,650.77 : x
  2. Step 2: Convert to fraction form
    113,636.24/156,819.06 = 62,650.77/x
  3. Step 3: Cross multiply
    113,636.24x = 156,819.06 × 62,650.77
  4. Step 4: Simplify right side
    113,636.24x = 9,824,835,440.18
  5. Step 5: Solve for x
    x = 9,824,835,440.18/113,636.24
  6. Step 6: Final answer
    x = 86,458.65

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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.