Home / 130,178.88-195,283.71-45,921.47

Finding the Fourth Proportional to 130,178.88, 195,283.71 and 45,921.47

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Solution

The fourth proportional to 130,178.88, 195,283.71 and 45,921.47 is: 68,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,178.88 : 195,283.71 = 45,921.47 : x
  2. Step 2: Convert to fraction form
    130,178.88/195,283.71 = 45,921.47/x
  3. Step 3: Cross multiply
    130,178.88x = 195,283.71 × 45,921.47
  4. Step 4: Simplify right side
    130,178.88x = 8,967,714,053.84
  5. Step 5: Solve for x
    x = 8,967,714,053.84/130,178.88
  6. Step 6: Final answer
    x = 68,887.63

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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.