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Finding the Fourth Proportional to 146,641, 202,365.12 and 79,573

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Solution

The fourth proportional to 146,641, 202,365.12 and 79,573 is: 109,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,641 : 202,365.12 = 79,573 : x
  2. Step 2: Convert to fraction form
    146,641/202,365.12 = 79,573/x
  3. Step 3: Cross multiply
    146,641x = 202,365.12 × 79,573
  4. Step 4: Simplify right side
    146,641x = 16,102,799,693.76
  5. Step 5: Solve for x
    x = 16,102,799,693.76/146,641
  6. Step 6: Final answer
    x = 109,811.03

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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.