Home / 161,909.28-242,946.54-109,208.25

Finding the Fourth Proportional to 161,909.28, 242,946.54 and 109,208.25

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Solution

The fourth proportional to 161,909.28, 242,946.54 and 109,208.25 is: 163,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,909.28 : 242,946.54 = 109,208.25 : x
  2. Step 2: Convert to fraction form
    161,909.28/242,946.54 = 109,208.25/x
  3. Step 3: Cross multiply
    161,909.28x = 242,946.54 × 109,208.25
  4. Step 4: Simplify right side
    161,909.28x = 26,531,766,476.96
  5. Step 5: Solve for x
    x = 26,531,766,476.96/161,909.28
  6. Step 6: Final answer
    x = 163,868.10

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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.