Home / 135,740.28-187,315.24-75,310.28

Finding the Fourth Proportional to 135,740.28, 187,315.24 and 75,310.28

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Solution

The fourth proportional to 135,740.28, 187,315.24 and 75,310.28 is: 103,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,740.28 : 187,315.24 = 75,310.28 : x
  2. Step 2: Convert to fraction form
    135,740.28/187,315.24 = 75,310.28/x
  3. Step 3: Cross multiply
    135,740.28x = 187,315.24 × 75,310.28
  4. Step 4: Simplify right side
    135,740.28x = 14,106,763,172.67
  5. Step 5: Solve for x
    x = 14,106,763,172.67/135,740.28
  6. Step 6: Final answer
    x = 103,924.67

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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.