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Finding the Fourth Proportional to 146,962.69, 202,810.13 and 79,894.69

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Solution

The fourth proportional to 146,962.69, 202,810.13 and 79,894.69 is: 110,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,962.69 : 202,810.13 = 79,894.69 : x
  2. Step 2: Convert to fraction form
    146,962.69/202,810.13 = 79,894.69/x
  3. Step 3: Cross multiply
    146,962.69x = 202,810.13 × 79,894.69
  4. Step 4: Simplify right side
    146,962.69x = 16,203,451,858.32
  5. Step 5: Solve for x
    x = 16,203,451,858.32/146,962.69
  6. Step 6: Final answer
    x = 110,255.55

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1.5x scale

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.