Home / 188,027.50-259,477.96-103,144.76

Finding the Fourth Proportional to 188,027.50, 259,477.96 and 103,144.76

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Solution

The fourth proportional to 188,027.50, 259,477.96 and 103,144.76 is: 142,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,027.50 : 259,477.96 = 103,144.76 : x
  2. Step 2: Convert to fraction form
    188,027.50/259,477.96 = 103,144.76/x
  3. Step 3: Cross multiply
    188,027.50x = 259,477.96 × 103,144.76
  4. Step 4: Simplify right side
    188,027.50x = 26,763,791,909.49
  5. Step 5: Solve for x
    x = 26,763,791,909.49/188,027.50
  6. Step 6: Final answer
    x = 142,339.77

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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.