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Finding the Fourth Proportional to 125,590.54, 188,052.59 and 75,602.00

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Solution

The fourth proportional to 125,590.54, 188,052.59 and 75,602.00 is: 113,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,590.54 : 188,052.59 = 75,602.00 : x
  2. Step 2: Convert to fraction form
    125,590.54/188,052.59 = 75,602.00/x
  3. Step 3: Cross multiply
    125,590.54x = 188,052.59 × 75,602.00
  4. Step 4: Simplify right side
    125,590.54x = 14,217,151,157.92
  5. Step 5: Solve for x
    x = 14,217,151,157.92/125,590.54
  6. Step 6: Final answer
    x = 113,202.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.