Home / 123,344.06-170,222.76-69,609.47

Finding the Fourth Proportional to 123,344.06, 170,222.76 and 69,609.47

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Solution

The fourth proportional to 123,344.06, 170,222.76 and 69,609.47 is: 96,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.06 : 170,222.76 = 69,609.47 : x
  2. Step 2: Convert to fraction form
    123,344.06/170,222.76 = 69,609.47/x
  3. Step 3: Cross multiply
    123,344.06x = 170,222.76 × 69,609.47
  4. Step 4: Simplify right side
    123,344.06x = 11,849,115,254.42
  5. Step 5: Solve for x
    x = 11,849,115,254.42/123,344.06
  6. Step 6: Final answer
    x = 96,065.56

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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.