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Finding the Fourth Proportional to 125,946.32, 188,110.42 and 114,074.96

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Solution

The fourth proportional to 125,946.32, 188,110.42 and 114,074.96 is: 170,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,946.32 : 188,110.42 = 114,074.96 : x
  2. Step 2: Convert to fraction form
    125,946.32/188,110.42 = 114,074.96/x
  3. Step 3: Cross multiply
    125,946.32x = 188,110.42 × 114,074.96
  4. Step 4: Simplify right side
    125,946.32x = 21,458,688,637.08
  5. Step 5: Solve for x
    x = 21,458,688,637.08/125,946.32
  6. Step 6: Final answer
    x = 170,379.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.