Home / 121,946.65-182,919.98-51,816.85

Finding the Fourth Proportional to 121,946.65, 182,919.98 and 51,816.85

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Solution

The fourth proportional to 121,946.65, 182,919.98 and 51,816.85 is: 77,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,946.65 : 182,919.98 = 51,816.85 : x
  2. Step 2: Convert to fraction form
    121,946.65/182,919.98 = 51,816.85/x
  3. Step 3: Cross multiply
    121,946.65x = 182,919.98 × 51,816.85
  4. Step 4: Simplify right side
    121,946.65x = 9,478,336,906.58
  5. Step 5: Solve for x
    x = 9,478,336,906.58/121,946.65
  6. Step 6: Final answer
    x = 77,725.28

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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.