Home / 123,236.77-170,074.62-69,502.18

Finding the Fourth Proportional to 123,236.77, 170,074.62 and 69,502.18

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Solution

The fourth proportional to 123,236.77, 170,074.62 and 69,502.18 is: 95,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236.77 : 170,074.62 = 69,502.18 : x
  2. Step 2: Convert to fraction form
    123,236.77/170,074.62 = 69,502.18/x
  3. Step 3: Cross multiply
    123,236.77x = 170,074.62 × 69,502.18
  4. Step 4: Simplify right side
    123,236.77x = 11,820,556,166.85
  5. Step 5: Solve for x
    x = 11,820,556,166.85/123,236.77
  6. Step 6: Final answer
    x = 95,917.45

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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.