Home / 188,434.20-282,651.30-109,637.40

Finding the Fourth Proportional to 188,434.20, 282,651.30 and 109,637.40

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Solution

The fourth proportional to 188,434.20, 282,651.30 and 109,637.40 is: 164,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,434.20 : 282,651.30 = 109,637.40 : x
  2. Step 2: Convert to fraction form
    188,434.20/282,651.30 = 109,637.40/x
  3. Step 3: Cross multiply
    188,434.20x = 282,651.30 × 109,637.40
  4. Step 4: Simplify right side
    188,434.20x = 30,989,153,638.62
  5. Step 5: Solve for x
    x = 30,989,153,638.62/188,434.20
  6. Step 6: Final answer
    x = 164,456.10

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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.