Home / 130,039.17-195,115.10-45,859.49

Finding the Fourth Proportional to 130,039.17, 195,115.10 and 45,859.49

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Solution

The fourth proportional to 130,039.17, 195,115.10 and 45,859.49 is: 68,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,039.17 : 195,115.10 = 45,859.49 : x
  2. Step 2: Convert to fraction form
    130,039.17/195,115.10 = 45,859.49/x
  3. Step 3: Cross multiply
    130,039.17x = 195,115.10 × 45,859.49
  4. Step 4: Simplify right side
    130,039.17x = 8,947,877,772.43
  5. Step 5: Solve for x
    x = 8,947,877,772.43/130,039.17
  6. Step 6: Final answer
    x = 68,809.10

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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.