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Finding the Fourth Proportional to 195,079.04, 269,207.04 and 105,655.04

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Solution

The fourth proportional to 195,079.04, 269,207.04 and 105,655.04 is: 145,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,079.04 : 269,207.04 = 105,655.04 : x
  2. Step 2: Convert to fraction form
    195,079.04/269,207.04 = 105,655.04/x
  3. Step 3: Cross multiply
    195,079.04x = 269,207.04 × 105,655.04
  4. Step 4: Simplify right side
    195,079.04x = 28,443,080,579.48
  5. Step 5: Solve for x
    x = 28,443,080,579.48/195,079.04
  6. Step 6: Final answer
    x = 145,802.85

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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.