Home / 130,373.36-179,902.44-76,671.56

Finding the Fourth Proportional to 130,373.36, 179,902.44 and 76,671.56

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Solution

The fourth proportional to 130,373.36, 179,902.44 and 76,671.56 is: 105,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,373.36 : 179,902.44 = 76,671.56 : x
  2. Step 2: Convert to fraction form
    130,373.36/179,902.44 = 76,671.56/x
  3. Step 3: Cross multiply
    130,373.36x = 179,902.44 × 76,671.56
  4. Step 4: Simplify right side
    130,373.36x = 13,793,400,722.61
  5. Step 5: Solve for x
    x = 13,793,400,722.61/130,373.36
  6. Step 6: Final answer
    x = 105,799.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.