Home / 130,108.64-195,228.54-51,279.44

Finding the Fourth Proportional to 130,108.64, 195,228.54 and 51,279.44

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Solution

The fourth proportional to 130,108.64, 195,228.54 and 51,279.44 is: 76,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108.64 : 195,228.54 = 51,279.44 : x
  2. Step 2: Convert to fraction form
    130,108.64/195,228.54 = 51,279.44/x
  3. Step 3: Cross multiply
    130,108.64x = 195,228.54 × 51,279.44
  4. Step 4: Simplify right side
    130,108.64x = 10,011,210,203.22
  5. Step 5: Solve for x
    x = 10,011,210,203.22/130,108.64
  6. Step 6: Final answer
    x = 76,945.01

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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.