Home / 130,019.45-195,077.57-79,522.02

Finding the Fourth Proportional to 130,019.45, 195,077.57 and 79,522.02

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Solution

The fourth proportional to 130,019.45, 195,077.57 and 79,522.02 is: 119,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,019.45 : 195,077.57 = 79,522.02 : x
  2. Step 2: Convert to fraction form
    130,019.45/195,077.57 = 79,522.02/x
  3. Step 3: Cross multiply
    130,019.45x = 195,077.57 × 79,522.02
  4. Step 4: Simplify right side
    130,019.45x = 15,512,962,025.48
  5. Step 5: Solve for x
    x = 15,512,962,025.48/130,019.45
  6. Step 6: Final answer
    x = 119,312.63

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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.