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Finding the Fourth Proportional to 188,000.92, 259,457.68 and 103,134.39

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Solution

The fourth proportional to 188,000.92, 259,457.68 and 103,134.39 is: 142,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,000.92 : 259,457.68 = 103,134.39 : x
  2. Step 2: Convert to fraction form
    188,000.92/259,457.68 = 103,134.39/x
  3. Step 3: Cross multiply
    188,000.92x = 259,457.68 × 103,134.39
  4. Step 4: Simplify right side
    188,000.92x = 26,759,009,557.62
  5. Step 5: Solve for x
    x = 26,759,009,557.62/188,000.92
  6. Step 6: Final answer
    x = 142,334.46

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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.