Home / 123,575.64-170,541.73-69,865.65

Finding the Fourth Proportional to 123,575.64, 170,541.73 and 69,865.65

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Solution

The fourth proportional to 123,575.64, 170,541.73 and 69,865.65 is: 96,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,575.64 : 170,541.73 = 69,865.65 : x
  2. Step 2: Convert to fraction form
    123,575.64/170,541.73 = 69,865.65/x
  3. Step 3: Cross multiply
    123,575.64x = 170,541.73 × 69,865.65
  4. Step 4: Simplify right side
    123,575.64x = 11,915,008,818.57
  5. Step 5: Solve for x
    x = 11,915,008,818.57/123,575.64
  6. Step 6: Final answer
    x = 96,418.75

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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.