Home / 123,502.10-170,433.06-66,913.43

Finding the Fourth Proportional to 123,502.10, 170,433.06 and 66,913.43

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Solution

The fourth proportional to 123,502.10, 170,433.06 and 66,913.43 is: 92,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,502.10 : 170,433.06 = 66,913.43 : x
  2. Step 2: Convert to fraction form
    123,502.10/170,433.06 = 66,913.43/x
  3. Step 3: Cross multiply
    123,502.10x = 170,433.06 × 66,913.43
  4. Step 4: Simplify right side
    123,502.10x = 11,404,260,630.00
  5. Step 5: Solve for x
    x = 11,404,260,630.00/123,502.10
  6. Step 6: Final answer
    x = 92,340.62

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1.5x scale

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.