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Finding the Fourth Proportional to 169,797.84, 254,363.92 and 98,571.08

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Solution

The fourth proportional to 169,797.84, 254,363.92 and 98,571.08 is: 147,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,797.84 : 254,363.92 = 98,571.08 : x
  2. Step 2: Convert to fraction form
    169,797.84/254,363.92 = 98,571.08/x
  3. Step 3: Cross multiply
    169,797.84x = 254,363.92 × 98,571.08
  4. Step 4: Simplify right side
    169,797.84x = 25,072,926,307.43
  5. Step 5: Solve for x
    x = 25,072,926,307.43/169,797.84
  6. Step 6: Final answer
    x = 147,663.40

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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.