Home / 123,502.32-170,433.23-66,913.70

Finding the Fourth Proportional to 123,502.32, 170,433.23 and 66,913.70

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Solution

The fourth proportional to 123,502.32, 170,433.23 and 66,913.70 is: 92,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,502.32 : 170,433.23 = 66,913.70 : x
  2. Step 2: Convert to fraction form
    123,502.32/170,433.23 = 66,913.70/x
  3. Step 3: Cross multiply
    123,502.32x = 170,433.23 × 66,913.70
  4. Step 4: Simplify right side
    123,502.32x = 11,404,317,474.64
  5. Step 5: Solve for x
    x = 11,404,317,474.64/123,502.32
  6. Step 6: Final answer
    x = 92,340.91

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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.