Home / 177,172.30-244,489.35-100,689.40

Finding the Fourth Proportional to 177,172.30, 244,489.35 and 100,689.40

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Solution

The fourth proportional to 177,172.30, 244,489.35 and 100,689.40 is: 138,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,172.30 : 244,489.35 = 100,689.40 : x
  2. Step 2: Convert to fraction form
    177,172.30/244,489.35 = 100,689.40/x
  3. Step 3: Cross multiply
    177,172.30x = 244,489.35 × 100,689.40
  4. Step 4: Simplify right side
    177,172.30x = 24,617,485,957.89
  5. Step 5: Solve for x
    x = 24,617,485,957.89/177,172.30
  6. Step 6: Final answer
    x = 138,946.58

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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.