Home / 186,962.10-280,443.15-163,634.10

Finding the Fourth Proportional to 186,962.10, 280,443.15 and 163,634.10

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Solution

The fourth proportional to 186,962.10, 280,443.15 and 163,634.10 is: 245,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,962.10 : 280,443.15 = 163,634.10 : x
  2. Step 2: Convert to fraction form
    186,962.10/280,443.15 = 163,634.10/x
  3. Step 3: Cross multiply
    186,962.10x = 280,443.15 × 163,634.10
  4. Step 4: Simplify right side
    186,962.10x = 45,890,062,451.42
  5. Step 5: Solve for x
    x = 45,890,062,451.42/186,962.10
  6. Step 6: Final answer
    x = 245,451.15

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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.