Home / 123,599.04-170,556.48-69,889.56

Finding the Fourth Proportional to 123,599.04, 170,556.48 and 69,889.56

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Solution

The fourth proportional to 123,599.04, 170,556.48 and 69,889.56 is: 96,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,599.04 : 170,556.48 = 69,889.56 : x
  2. Step 2: Convert to fraction form
    123,599.04/170,556.48 = 69,889.56/x
  3. Step 3: Cross multiply
    123,599.04x = 170,556.48 × 69,889.56
  4. Step 4: Simplify right side
    123,599.04x = 11,920,117,342.35
  5. Step 5: Solve for x
    x = 11,920,117,342.35/123,599.04
  6. Step 6: Final answer
    x = 96,441.83

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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.