Home / 123,775.47-170,795.97-69,320.07

Finding the Fourth Proportional to 123,775.47, 170,795.97 and 69,320.07

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Solution

The fourth proportional to 123,775.47, 170,795.97 and 69,320.07 is: 95,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,775.47 : 170,795.97 = 69,320.07 : x
  2. Step 2: Convert to fraction form
    123,775.47/170,795.97 = 69,320.07/x
  3. Step 3: Cross multiply
    123,775.47x = 170,795.97 × 69,320.07
  4. Step 4: Simplify right side
    123,775.47x = 11,839,588,596.12
  5. Step 5: Solve for x
    x = 11,839,588,596.12/123,775.47
  6. Step 6: Final answer
    x = 95,653.76

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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.