Home / 188,236.86-259,767.18-103,359.30

Finding the Fourth Proportional to 188,236.86, 259,767.18 and 103,359.30

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Solution

The fourth proportional to 188,236.86, 259,767.18 and 103,359.30 is: 142,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,236.86 : 259,767.18 = 103,359.30 : x
  2. Step 2: Convert to fraction form
    188,236.86/259,767.18 = 103,359.30/x
  3. Step 3: Cross multiply
    188,236.86x = 259,767.18 × 103,359.30
  4. Step 4: Simplify right side
    188,236.86x = 26,849,353,887.77
  5. Step 5: Solve for x
    x = 26,849,353,887.77/188,236.86
  6. Step 6: Final answer
    x = 142,636.01

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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.