Home / 130,188.84-195,312.56-45,954.96

Finding the Fourth Proportional to 130,188.84, 195,312.56 and 45,954.96

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Solution

The fourth proportional to 130,188.84, 195,312.56 and 45,954.96 is: 68,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,188.84 : 195,312.56 = 45,954.96 : x
  2. Step 2: Convert to fraction form
    130,188.84/195,312.56 = 45,954.96/x
  3. Step 3: Cross multiply
    130,188.84x = 195,312.56 × 45,954.96
  4. Step 4: Simplify right side
    130,188.84x = 8,975,580,882.30
  5. Step 5: Solve for x
    x = 8,975,580,882.30/130,188.84
  6. Step 6: Final answer
    x = 68,942.78

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1.5x scale

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.