Home / 130,002.44-179,385.30-72,634.59

Finding the Fourth Proportional to 130,002.44, 179,385.30 and 72,634.59

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Solution

The fourth proportional to 130,002.44, 179,385.30 and 72,634.59 is: 100,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.44 : 179,385.30 = 72,634.59 : x
  2. Step 2: Convert to fraction form
    130,002.44/179,385.30 = 72,634.59/x
  3. Step 3: Cross multiply
    130,002.44x = 179,385.30 × 72,634.59
  4. Step 4: Simplify right side
    130,002.44x = 13,029,577,717.53
  5. Step 5: Solve for x
    x = 13,029,577,717.53/130,002.44
  6. Step 6: Final answer
    x = 100,225.64

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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.