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Finding the Fourth Proportional to 136,014.35, 187,704.35 and 75,587.54

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Solution

The fourth proportional to 136,014.35, 187,704.35 and 75,587.54 is: 104,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,014.35 : 187,704.35 = 75,587.54 : x
  2. Step 2: Convert to fraction form
    136,014.35/187,704.35 = 75,587.54/x
  3. Step 3: Cross multiply
    136,014.35x = 187,704.35 × 75,587.54
  4. Step 4: Simplify right side
    136,014.35x = 14,188,109,030.79
  5. Step 5: Solve for x
    x = 14,188,109,030.79/136,014.35
  6. Step 6: Final answer
    x = 104,313.33

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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.