Home / 186,966.10-280,266.90-106,921.90

Finding the Fourth Proportional to 186,966.10, 280,266.90 and 106,921.90

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Solution

The fourth proportional to 186,966.10, 280,266.90 and 106,921.90 is: 160,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,966.10 : 280,266.90 = 106,921.90 : x
  2. Step 2: Convert to fraction form
    186,966.10/280,266.90 = 106,921.90/x
  3. Step 3: Cross multiply
    186,966.10x = 280,266.90 × 106,921.90
  4. Step 4: Simplify right side
    186,966.10x = 29,966,669,455.11
  5. Step 5: Solve for x
    x = 29,966,669,455.11/186,966.10
  6. Step 6: Final answer
    x = 160,278.63

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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.