Home / 136,319.56-188,106.20-75,885.46

Finding the Fourth Proportional to 136,319.56, 188,106.20 and 75,885.46

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Solution

The fourth proportional to 136,319.56, 188,106.20 and 75,885.46 is: 104,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,319.56 : 188,106.20 = 75,885.46 : x
  2. Step 2: Convert to fraction form
    136,319.56/188,106.20 = 75,885.46/x
  3. Step 3: Cross multiply
    136,319.56x = 188,106.20 × 75,885.46
  4. Step 4: Simplify right side
    136,319.56x = 14,274,524,950.73
  5. Step 5: Solve for x
    x = 14,274,524,950.73/136,319.56
  6. Step 6: Final answer
    x = 104,713.70

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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.