Home / 123,353.01-170,238.38-69,651.23

Finding the Fourth Proportional to 123,353.01, 170,238.38 and 69,651.23

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Solution

The fourth proportional to 123,353.01, 170,238.38 and 69,651.23 is: 96,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,353.01 : 170,238.38 = 69,651.23 : x
  2. Step 2: Convert to fraction form
    123,353.01/170,238.38 = 69,651.23/x
  3. Step 3: Cross multiply
    123,353.01x = 170,238.38 × 69,651.23
  4. Step 4: Simplify right side
    123,353.01x = 11,857,311,360.76
  5. Step 5: Solve for x
    x = 11,857,311,360.76/123,353.01
  6. Step 6: Final answer
    x = 96,125.03

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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.