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Finding the Fourth Proportional to 130,337.88, 179,894.40 and 79,367.52

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Solution

The fourth proportional to 130,337.88, 179,894.40 and 79,367.52 is: 109,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,337.88 : 179,894.40 = 79,367.52 : x
  2. Step 2: Convert to fraction form
    130,337.88/179,894.40 = 79,367.52/x
  3. Step 3: Cross multiply
    130,337.88x = 179,894.40 × 79,367.52
  4. Step 4: Simplify right side
    130,337.88x = 14,277,772,389.89
  5. Step 5: Solve for x
    x = 14,277,772,389.89/130,337.88
  6. Step 6: Final answer
    x = 109,544.30

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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.